diff --git a/client/package-lock.json b/client/package-lock.json
index 5c954cc..1804f8c 100644
--- a/client/package-lock.json
+++ b/client/package-lock.json
@@ -8818,9 +8818,9 @@
       }
     },
     "lodash": {
-      "version": "4.17.15",
-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
-      "integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A=="
+      "version": "4.17.20",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.20.tgz",
+      "integrity": "sha512-PlhdFcillOINfeV7Ni6oF1TAEayyZBoZ8bcshTHqOYJYlrqzRK5hagpagky5o4HfCzzd1TRkXPMFq6cKk9rGmA=="
     },
     "lodash._reinterpolate": {
       "version": "3.0.0",
@@ -9368,9 +9368,9 @@
       }
     },
     "node-forge": {
-      "version": "0.9.0",
-      "resolved": "https://registry.npmjs.org/node-forge/-/node-forge-0.9.0.tgz",
-      "integrity": "sha512-7ASaDa3pD+lJ3WvXFsxekJQelBKRpne+GOVbLbtHYdd7pFspyeuJHnWfLplGf3SwKGbfs/aYl5V/JCIaHVUKKQ=="
+      "version": "0.10.0",
+      "resolved": "https://registry.npmjs.org/node-forge/-/node-forge-0.10.0.tgz",
+      "integrity": "sha512-PPmu8eEeG9saEUvI97fm4OYxXVB6bFvyNTyiUOBichBpFG8A1Ljw3bY62+5oOjDEMHRnd0Y7HQ+x7uzxOzC6JA=="
     },
     "node-gyp": {
       "version": "3.8.0",
@@ -12529,11 +12529,11 @@
       "integrity": "sha1-Yl2GWPhlr0Psliv8N2o3NZpJlMo="
     },
     "selfsigned": {
-      "version": "1.10.7",
-      "resolved": "https://registry.npmjs.org/selfsigned/-/selfsigned-1.10.7.tgz",
-      "integrity": "sha512-8M3wBCzeWIJnQfl43IKwOmC4H/RAp50S8DF60znzjW5GVqTcSe2vWclt7hmYVPkKPlHWOu5EaWOMZ2Y6W8ZXTA==",
+      "version": "1.10.8",
+      "resolved": "https://registry.npmjs.org/selfsigned/-/selfsigned-1.10.8.tgz",
+      "integrity": "sha512-2P4PtieJeEwVgTU9QEcwIRDQ/mXJLX8/+I3ur+Pg16nS8oNbrGxEso9NyYWy8NAmXiNl4dlAp5MwoNeCWzON4w==",
       "requires": {
-        "node-forge": "0.9.0"
+        "node-forge": "^0.10.0"
       }
     },
     "semver": {
diff --git a/client/src/migrator/validator-utils.js b/client/src/migrator/validator-utils.js
index 1c7a413..92fff1a 100644
--- a/client/src/migrator/validator-utils.js
+++ b/client/src/migrator/validator-utils.js
@@ -78,7 +78,7 @@ function formErrorFile(errorAggregations) {
 }
 
 function parseResult (result) {
-  const { dataType, total, successful, failed, additionalProperties, type, required, enum: wrongEnumValue, minLength, maxLength, exceptions, minItems, uniqueKey, invalidURL, invalidSlug, invalidTimestamp, oldTimestamp, invalidEmail, authorNamesMismatch, pattern, invalidHeroImage} = result
+  const { dataType, total, successful, failed, additionalProperties, type, required, enum: wrongEnumValue, minLength, maxLength, exceptions, minItems, uniqueKey, invalidURL, invalidTimestamp, oldTimestamp, invalidEmail, authorNamesMismatch, pattern, invalidHeroImage} = result
   const finalResult = {}
   finalResult.errors = []
   finalResult.warnings = []
@@ -93,7 +93,7 @@ function parseResult (result) {
     return finalResult
   }
 
-  const errorFileLink = formErrorFile({ exceptions, type, required, wrongEnumValue, minLength, maxLength, minItems, uniqueKey, invalidURL, additionalProperties, invalidSlug, invalidTimestamp, oldTimestamp, invalidEmail, authorNamesMismatch, pattern, invalidHeroImage })
+  const errorFileLink = formErrorFile({ exceptions, type, required, wrongEnumValue, minLength, maxLength, minItems, uniqueKey, invalidURL, additionalProperties, invalidTimestamp, oldTimestamp, invalidEmail, authorNamesMismatch, pattern, invalidHeroImage })
   finalResult.errorFile = errorFileLink
   const pluralKey = dataType === 'Story' ? `${dataType.toLowerCase().slice(0, 4)}ies` : `${dataType.toLowerCase()}s`
   finalResult.dataType = pluralKey
@@ -187,7 +187,7 @@ function parseResult (result) {
   pattern && pattern.forEach(error => {
     const [key, stringPattern] = error.key.split(':')
     finalResult.errors.push({
-      message: `Story has incorrect HTML string for property '${key}'.`,
+      message: `${dataType} has invalid string pattern for property '${key}'.`,
       metadata: formErrorMetadata(dataType, error.ids)
     })
   })
@@ -208,14 +208,6 @@ function parseResult (result) {
     })
   })
 
-  invalidSlug && invalidSlug.forEach(error => {
-    const [key, value] = error.key.split(':')
-    finalResult.errors.push({
-      message: `${key} '${value}' is invalid.`,
-      metadata: formErrorMetadata(dataType, error.ids)
-    })
-  })
-
   invalidEmail && invalidEmail.forEach(error => {
     const [key, value] = error.key.split(':')
     finalResult.errors.push({
diff --git a/server/package-lock.json b/server/package-lock.json
index 183385a..86b89d4 100644
--- a/server/package-lock.json
+++ b/server/package-lock.json
@@ -865,9 +865,9 @@
       }
     },
     "@quintype/migration-helpers": {
-      "version": "1.14.8",
-      "resolved": "https://registry.npmjs.org/@quintype/migration-helpers/-/migration-helpers-1.14.8.tgz",
-      "integrity": "sha512-Dku9LKZu6JK/Fd+rLOthqiBNKyKVGwkx/ePhaQxGrV/pIVSnH6Dm0mH42FCTVcg1OSvokGgq0lOv/J0yd31Dgw==",
+      "version": "1.14.9",
+      "resolved": "https://registry.npmjs.org/@quintype/migration-helpers/-/migration-helpers-1.14.9.tgz",
+      "integrity": "sha512-yv9lQ3vN2XCwFODkH3OrgOsVwzB42KmNN+ggC7szaiBd2/XtmBg1vSlUwXkm8XuFiyJl7SXYpMoc6s3jkoD5iA==",
       "requires": {
         "sha.js": "^2.4.11"
       }
@@ -1150,6 +1150,12 @@
       "integrity": "sha512-tHq6qdbT9U1IRSGf14CL0pUlULksvY9OZ+5eEgl1N7t+OA3tGvNpxJCzuKQlsNgCVwbAs670L1vcVQi8j9HjnA==",
       "dev": true
     },
+    "@types/minimist": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/@types/minimist/-/minimist-1.2.0.tgz",
+      "integrity": "sha1-aaI6OtKcrwCX8G7aWbNh7i8GOfY=",
+      "dev": true
+    },
     "@types/multer": {
       "version": "1.4.2",
       "resolved": "https://registry.npmjs.org/@types/multer/-/multer-1.4.2.tgz",
@@ -1172,6 +1178,12 @@
         "@types/node": "*"
       }
     },
+    "@types/normalize-package-data": {
+      "version": "2.4.0",
+      "resolved": "https://registry.npmjs.org/@types/normalize-package-data/-/normalize-package-data-2.4.0.tgz",
+      "integrity": "sha512-f5j5b/Gf71L+dbqxIpQ4Z2WlmI/mPJ0fOkGGmFgtb6sAu97EPczzbS3/tJKxmcYDj55OX6ssqwDAWOHIYDRDGA==",
+      "dev": true
+    },
     "@types/range-parser": {
       "version": "1.2.3",
       "resolved": "https://registry.npmjs.org/@types/range-parser/-/range-parser-1.2.3.tgz",
@@ -2850,9 +2862,9 @@
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-          "version": "4.2.0",
-          "resolved": "https://registry.npmjs.org/dot-prop/-/dot-prop-4.2.0.tgz",
-          "integrity": "sha512-tUMXrxlExSW6U2EXiiKGSBVdYgtV8qlHL+C10TsW4PURY/ic+eaysnSkwB4kA/mBlCyy/IKDJ+Lc3wbWeaXtuQ==",
+          "version": "4.2.1",
+          "resolved": "https://registry.npmjs.org/dot-prop/-/dot-prop-4.2.1.tgz",
+          "integrity": "sha512-l0p4+mIuJIua0mhxGoh4a+iNL9bmeK5DvnSVQa6T0OhrVmaEa1XScX5Etc673FePCJOArq/4Pa2cLGODUWTPOQ==",
           "dev": true,
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             "is-obj": "^1.0.0"
@@ -2926,13 +2938,25 @@
       }
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-      "version": "5.0.5",
-      "resolved": "https://registry.npmjs.org/conventional-changelog-angular/-/conventional-changelog-angular-5.0.5.tgz",
-      "integrity": "sha512-RrkdWnL/TVyWV1ayWmSsrWorsTDqjL/VwG5ZSEneBQrd65ONcfeA1cW7FLtNweQyMiKOyriCMTKRSlk18DjTrw==",
+      "version": "5.0.11",
+      "resolved": "https://registry.npmjs.org/conventional-changelog-angular/-/conventional-changelog-angular-5.0.11.tgz",
+      "integrity": "sha512-nSLypht/1yEflhuTogC03i7DX7sOrXGsRn14g131Potqi6cbGbGEE9PSDEHKldabB6N76HiSyw9Ph+kLmC04Qw==",
       "dev": true,
       "requires": {
-        "compare-func": "^1.3.1",
+        "compare-func": "^2.0.0",
         "q": "^1.5.1"
+      },
+      "dependencies": {
+        "compare-func": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/compare-func/-/compare-func-2.0.0.tgz",
+          "integrity": "sha512-zHig5N+tPWARooBnb0Zx1MFcdfpyJrfTJ3Y5L+IFvUm8rM74hHz66z0gw0x4tijh5CorKkKUCnW82R2vmpeCRA==",
+          "dev": true,
+          "requires": {
+            "array-ify": "^1.0.0",
+            "dot-prop": "^5.1.0"
+          }
+        }
       }
     },
     "conventional-changelog-atom": {
@@ -3045,13 +3069,25 @@
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-      "resolved": "https://registry.npmjs.org/conventional-changelog-jshint/-/conventional-changelog-jshint-2.0.3.tgz",
-      "integrity": "sha512-Pc2PnMPcez634ckzr4EOWviwRSpZcURaK7bjyD9oK6N5fsC/a+3G7LW5m/JpcHPhA9ZxsfIbm7uqZ3ZDGsQ/sw==",
+      "version": "2.0.8",
+      "resolved": "https://registry.npmjs.org/conventional-changelog-jshint/-/conventional-changelog-jshint-2.0.8.tgz",
+      "integrity": "sha512-hB/iI0IiZwnZ+seYI+qEQ4b+EMQSEC8jGIvhO2Vpz1E5p8FgLz75OX8oB1xJWl+s4xBMB6f8zJr0tC/BL7YOjw==",
       "dev": true,
       "requires": {
-        "compare-func": "^1.3.1",
+        "compare-func": "^2.0.0",
         "q": "^1.5.1"
+      },
+      "dependencies": {
+        "compare-func": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/compare-func/-/compare-func-2.0.0.tgz",
+          "integrity": "sha512-zHig5N+tPWARooBnb0Zx1MFcdfpyJrfTJ3Y5L+IFvUm8rM74hHz66z0gw0x4tijh5CorKkKUCnW82R2vmpeCRA==",
+          "dev": true,
+          "requires": {
+            "array-ify": "^1.0.0",
+            "dot-prop": "^5.1.0"
+          }
+        }
       }
     },
     "conventional-changelog-preset-loader": {
@@ -3061,28 +3097,254 @@
       "dev": true
     },
     "conventional-changelog-writer": {
-      "version": "4.0.9",
-      "resolved": "https://registry.npmjs.org/conventional-changelog-writer/-/conventional-changelog-writer-4.0.9.tgz",
-      "integrity": "sha512-2Y3QfiAM37WvDMjkVNaRtZgxVzWKj73HE61YQ/95T53yle+CRwTVSl6Gbv/lWVKXeZcM5af9n9TDVf0k7Xh+cw==",
+      "version": "4.0.17",
+      "resolved": "https://registry.npmjs.org/conventional-changelog-writer/-/conventional-changelog-writer-4.0.17.tgz",
+      "integrity": "sha512-IKQuK3bib/n032KWaSb8YlBFds+aLmzENtnKtxJy3+HqDq5kohu3g/UdNbIHeJWygfnEbZjnCKFxAW0y7ArZAw==",
       "dev": true,
       "requires": {
-        "compare-func": "^1.3.1",
-        "conventional-commits-filter": "^2.0.2",
+        "compare-func": "^2.0.0",
+        "conventional-commits-filter": "^2.0.6",
         "dateformat": "^3.0.0",
-        "handlebars": "^4.4.0",
+        "handlebars": "^4.7.6",
         "json-stringify-safe": "^5.0.1",
-        "lodash": "^4.2.1",
-        "meow": "^4.0.0",
+        "lodash": "^4.17.15",
+        "meow": "^7.0.0",
         "semver": "^6.0.0",
         "split": "^1.0.0",
         "through2": "^3.0.0"
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+              "integrity": "sha512-q+MB8nYR1KDLrgr4G5yemftpMC7/QLqVndBmEEdqzmNj5dcFOO4Oo8qlwZE3ULT3+Zim1F8Kq4cBnikNhlCMlg==",
+              "dev": true
+            }
+          }
+        },
+        "read-pkg-up": {
+          "version": "7.0.1",
+          "resolved": "https://registry.npmjs.org/read-pkg-up/-/read-pkg-up-7.0.1.tgz",
+          "integrity": "sha512-zK0TB7Xd6JpCLmlLmufqykGE+/TlOePD6qKClNW7hHDKFh/J7/7gCWGR7joEQEW1bKq3a3yUZSObOoWLFQ4ohg==",
+          "dev": true,
+          "requires": {
+            "find-up": "^4.1.0",
+            "read-pkg": "^5.2.0",
+            "type-fest": "^0.8.1"
+          },
+          "dependencies": {
+            "type-fest": {
+              "version": "0.8.1",
+              "resolved": "https://registry.npmjs.org/type-fest/-/type-fest-0.8.1.tgz",
+              "integrity": "sha512-4dbzIzqvjtgiM5rw1k5rEHtBANKmdudhGyBEajN01fEyhaAIhsoKNy6y7+IN93IfpFtwY9iqi7kD+xwKhQsNJA==",
+              "dev": true
+            }
+          }
+        },
+        "redent": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/redent/-/redent-3.0.0.tgz",
+          "integrity": "sha512-6tDA8g98We0zd0GvVeMT9arEOnTw9qM03L9cJXaCjrip1OO764RDBLBfrB4cwzNGDj5OA5ioymC9GkizgWJDUg==",
+          "dev": true,
+          "requires": {
+            "indent-string": "^4.0.0",
+            "strip-indent": "^3.0.0"
+          }
+        },
         "semver": {
           "version": "6.3.0",
           "resolved": "https://registry.npmjs.org/semver/-/semver-6.3.0.tgz",
           "integrity": "sha512-b39TBaTSfV6yBrapU89p5fKekE2m/NwnDocOVruQFS1/veMgdzuPcnOM34M6CwxW8jH/lxEa5rBoDeUwu5HHTw==",
           "dev": true
+        },
+        "strip-indent": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/strip-indent/-/strip-indent-3.0.0.tgz",
+          "integrity": "sha512-laJTa3Jb+VQpaC6DseHhF7dXVqHTfJPCRDaEbid/drOhgitgYku/letMUqOXFoWV0zIIUbjpdH2t+tYj4bQMRQ==",
+          "dev": true,
+          "requires": {
+            "min-indent": "^1.0.0"
+          }
+        },
+        "trim-newlines": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/trim-newlines/-/trim-newlines-3.0.0.tgz",
+          "integrity": "sha512-C4+gOpvmxaSMKuEf9Qc134F1ZuOHVXKRbtEflf4NTtuuJDEIJ9p5PXsalL8SkeRw+qit1Mo+yuvMPAKwWg/1hA==",
+          "dev": true
+        },
+        "type-fest": {
+          "version": "0.13.1",
+          "resolved": "https://registry.npmjs.org/type-fest/-/type-fest-0.13.1.tgz",
+          "integrity": "sha512-34R7HTnG0XIJcBSn5XhDd7nNFPRcXYRZrBB2O2jdKqYODldSzBAqzsWoZYYvduky73toYS/ESqxPvkDf/F0XMg==",
+          "dev": true
+        },
+        "yargs-parser": {
+          "version": "18.1.3",
+          "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-18.1.3.tgz",
+          "integrity": "sha512-o50j0JeToy/4K6OZcaQmW6lyXXKhq7csREXcDwk2omFPJEwUNOVtJKvmDr9EI1fAJZUyZcRF7kxGBWmRXudrCQ==",
+          "dev": true,
+          "requires": {
+            "camelcase": "^5.0.0",
+            "decamelize": "^1.2.0"
+          }
         }
       }
     },
@@ -5138,15 +5400,16 @@
       "dev": true
     },
     "handlebars": {
-      "version": "4.5.1",
-      "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-4.5.1.tgz",
-      "integrity": "sha512-C29UoFzHe9yM61lOsIlCE5/mQVGrnIOrOq7maQl76L7tYPCgC1og0Ajt6uWnX4ZTxBPnjw+CUvawphwCfJgUnA==",
+      "version": "4.7.6",
+      "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-4.7.6.tgz",
+      "integrity": "sha512-1f2BACcBfiwAfStCKZNrUCgqNZkGsAT7UM3kkYtXuLo0KnaVfjKOyf7PRzB6++aK9STyT1Pd2ZCPe3EGOXleXA==",
       "dev": true,
       "requires": {
+        "minimist": "^1.2.5",
         "neo-async": "^2.6.0",
-        "optimist": "^0.6.1",
         "source-map": "^0.6.1",
-        "uglify-js": "^3.1.4"
+        "uglify-js": "^3.1.4",
+        "wordwrap": "^1.0.0"
       }
     },
     "har-schema": {
@@ -5163,6 +5426,12 @@
         "har-schema": "^2.0.0"
       }
     },
+    "hard-rejection": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/hard-rejection/-/hard-rejection-2.1.0.tgz",
+      "integrity": "sha512-VIZB+ibDhx7ObhAe7OVtoEbuP4h/MuOTHJ+J8h/eBXotJYl0fBgR72xDFCKgIh22OJZIOVNxBMWuhAr10r8HdA==",
+      "dev": true
+    },
     "has": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/has/-/has-1.0.3.tgz",
@@ -5292,6 +5561,12 @@
         "whatwg-encoding": "^1.0.1"
       }
     },
+    "html-escaper": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/html-escaper/-/html-escaper-2.0.2.tgz",
+      "integrity": "sha512-H2iMtd0I4Mt5eYiapRdIDjp+XzelXQ0tFE4JS7YFwFevXXMmOp9myNrUvCg0D6ws8iqkRPBfKHgbwig1SmlLfg==",
+      "dev": true
+    },
     "htmlparser2": {
       "version": "3.10.1",
       "resolved": "https://registry.npmjs.org/htmlparser2/-/htmlparser2-3.10.1.tgz",
@@ -5944,12 +6219,12 @@
       }
     },
     "istanbul-reports": {
-      "version": "2.2.6",
-      "resolved": "https://registry.npmjs.org/istanbul-reports/-/istanbul-reports-2.2.6.tgz",
-      "integrity": "sha512-SKi4rnMyLBKe0Jy2uUdx28h8oG7ph2PPuQPvIAh31d+Ci+lSiEu4C+h3oBPuJ9+mPKhOyW0M8gY4U5NM1WLeXA==",
+      "version": "2.2.7",
+      "resolved": "https://registry.npmjs.org/istanbul-reports/-/istanbul-reports-2.2.7.tgz",
+      "integrity": "sha512-uu1F/L1o5Y6LzPVSVZXNOoD/KXpJue9aeLRd0sM9uMXfZvzomB0WxVamWb5ue8kA2vVWEmW7EG+A5n3f1kqHKg==",
       "dev": true,
       "requires": {
-        "handlebars": "^4.1.2"
+        "html-escaper": "^2.0.0"
       }
     },
     "jest": {
@@ -7462,9 +7737,9 @@
       "integrity": "sha1-o/Iiqarp+Wb10nx5ZRDigJF2Qhc="
     },
     "jquery": {
-      "version": "3.4.1",
-      "resolved": "https://registry.npmjs.org/jquery/-/jquery-3.4.1.tgz",
-      "integrity": "sha512-36+AdBzCL+y6qjw5Tx7HgzeGCzC81MDDgaUP8ld2zhx58HdqXGoBd+tHdrBMiyjGQs0Hxs/MLZTu/eHNJJuWPw==",
+      "version": "3.5.1",
+      "resolved": "https://registry.npmjs.org/jquery/-/jquery-3.5.1.tgz",
+      "integrity": "sha512-XwIBPqcMn57FxfT+Go5pzySnm4KWkT1Tv7gjrpT1srtf8Weynl6R273VJ5GjkRb51IzMp5nbaPjJXMWeju2MKg==",
       "dev": true
     },
     "js-string-escape": {
@@ -7560,6 +7835,12 @@
       "integrity": "sha512-mrqyZKfX5EhL7hvqcV6WG1yYjnjeuYDzDhhcAAUrq8Po85NBQBJP+ZDUT75qZQ98IkUoBqdkExkukOU7Ts2wrw==",
       "dev": true
     },
+    "json-parse-even-better-errors": {
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/json-parse-even-better-errors/-/json-parse-even-better-errors-2.3.1.tgz",
+      "integrity": "sha512-xyFwyhro/JEof6Ghe2iz2NcXoj2sloNsWr/XsERDK/oiPCfaNhl5ONfp+jQdAZRQQ0IJWNzH9zIZF7li91kh2w==",
+      "dev": true
+    },
     "json-schema": {
       "version": "0.2.3",
       "resolved": "https://registry.npmjs.org/json-schema/-/json-schema-0.2.3.tgz",
@@ -7684,6 +7965,12 @@
         "type-check": "~0.3.2"
       }
     },
+    "lines-and-columns": {
+      "version": "1.1.6",
+      "resolved": "https://registry.npmjs.org/lines-and-columns/-/lines-and-columns-1.1.6.tgz",
+      "integrity": "sha1-HADHQ7QzzQpOgHWPe2SldEDZ/wA=",
+      "dev": true
+    },
     "load-json-file": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/load-json-file/-/load-json-file-4.0.0.tgz",
@@ -8050,6 +8337,12 @@
       "integrity": "sha512-j5EctnkH7amfV/q5Hgmoal1g2QHFJRraOtmx0JpIqkxhBhI/lJSl1nMpQ45hVarwNETOoWEimndZ4QK0RHxuxQ==",
       "dev": true
     },
+    "min-indent": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/min-indent/-/min-indent-1.0.1.tgz",
+      "integrity": "sha512-I9jwMn07Sy/IwOj3zVkVik2JTvgpaykDZEigL6Rx6N9LbMywwUSMtxET+7lVoDLLd3O3IXwJwvuuns8UB/HeAg==",
+      "dev": true
+    },
     "minimatch": {
       "version": "3.0.4",
       "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.4.tgz",
@@ -8059,9 +8352,9 @@
       }
     },
     "minimist": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
-      "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
+      "version": "1.2.5",
+      "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.5.tgz",
+      "integrity": "sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw==",
       "dev": true
     },
     "minimist-options": {
@@ -8111,20 +8404,12 @@
       }
     },
     "mkdirp": {
-      "version": "0.5.1",
-      "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz",
-      "integrity": "sha1-MAV0OOrGz3+MR2fzhkjWaX11yQM=",
+      "version": "0.5.5",
+      "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.5.tgz",
+      "integrity": "sha512-NKmAlESf6jMGym1++R0Ra7wvhV+wFW63FaSOFPwRahvea0gMUcGUhVeAg/0BC0wiv9ih5NYPB1Wn1UEI1/L+xQ==",
       "dev": true,
       "requires": {
-        "minimist": "0.0.8"
-      },
-      "dependencies": {
-        "minimist": {
-          "version": "0.0.8",
-          "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz",
-          "integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=",
-          "dev": true
-        }
+        "minimist": "^1.2.5"
       }
     },
     "modify-values": {
@@ -8213,9 +8498,9 @@
       "integrity": "sha512-hZXc7K2e+PgeI1eDBe/10Ard4ekbfrrqG8Ep+8Jmf4JID2bNg7NvCPOZN+kfF574pFQI7mum2AUqDidoKqcTOw=="
     },
     "neo-async": {
-      "version": "2.6.1",
-      "resolved": "https://registry.npmjs.org/neo-async/-/neo-async-2.6.1.tgz",
-      "integrity": "sha512-iyam8fBuCUpWeKPGpaNMetEocMt364qkCsfL9JuhjXX6dRnguRVOfk2GZaDpPjcOKiiXCPINZC1GczQ7iTq3Zw==",
+      "version": "2.6.2",
+      "resolved": "https://registry.npmjs.org/neo-async/-/neo-async-2.6.2.tgz",
+      "integrity": "sha512-Yd3UES5mWCSqR+qNT93S3UoYUkqAZ9lLg8a7g9rimsWmYGK8cVToA4/sF3RrshdyV3sAGMXVUmpMYOw+dLpOuw==",
       "dev": true
     },
     "nested-error-stacks": {
@@ -8231,9 +8516,9 @@
       "dev": true
     },
     "node-fetch": {
-      "version": "2.6.0",
-      "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.6.0.tgz",
-      "integrity": "sha512-8dG4H5ujfvFiqDmVu9fQ5bOHUC15JMjMY/Zumv26oOvvVJjM67KF8koCWIabKQ1GJIa9r2mMZscBq/TbdOcmNA==",
+      "version": "2.6.1",
+      "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.6.1.tgz",
+      "integrity": "sha512-V4aYg89jEoVRxRb2fJdAg8FHvI7cEyYdVAh94HH0UIK8oJxUfkjlDQN9RbMx+bEjP7+ggMiFRprSti032Oipxw==",
       "dev": true
     },
     "node-html-parser": {
@@ -8707,9 +8992,9 @@
           "dev": true
         },
         "yargs-parser": {
-          "version": "13.1.1",
-          "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-13.1.1.tgz",
-          "integrity": "sha512-oVAVsHz6uFrg3XQheFII8ESO2ssAf9luWuAd6Wexsu4F3OtIW0o8IribPXYrD4WC24LWtPrJlGy87y5udK+dxQ==",
+          "version": "13.1.2",
+          "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-13.1.2.tgz",
+          "integrity": "sha512-3lbsNRf/j+A4QuSZfDRA7HRSfWrzO0YjqTJd5kjAq37Zep1CEgaYmrH9Q3GwPiB9cHyd1Y1UwggGhJGoxipbzg==",
           "dev": true,
           "requires": {
             "camelcase": "^5.0.0",
@@ -8991,24 +9276,6 @@
         }
       }
     },
-    "optimist": {
-      "version": "0.6.1",
-      "resolved": "https://registry.npmjs.org/optimist/-/optimist-0.6.1.tgz",
-      "integrity": "sha1-2j6nRob6IaGaERwybpDrFaAZZoY=",
-      "dev": true,
-      "requires": {
-        "minimist": "~0.0.1",
-        "wordwrap": "~0.0.2"
-      },
-      "dependencies": {
-        "minimist": {
-          "version": "0.0.10",
-          "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.10.tgz",
-          "integrity": "sha1-3j+YVD2/lggr5IrRoMfNqDYwHc8=",
-          "dev": true
-        }
-      }
-    },
     "optionator": {
       "version": "0.8.3",
       "resolved": "https://registry.npmjs.org/optionator/-/optionator-0.8.3.tgz",
@@ -11025,9 +11292,9 @@
           }
         },
         "yargs-parser": {
-          "version": "13.1.1",
-          "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-13.1.1.tgz",
-          "integrity": "sha512-oVAVsHz6uFrg3XQheFII8ESO2ssAf9luWuAd6Wexsu4F3OtIW0o8IribPXYrD4WC24LWtPrJlGy87y5udK+dxQ==",
+          "version": "13.1.2",
+          "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-13.1.2.tgz",
+          "integrity": "sha512-3lbsNRf/j+A4QuSZfDRA7HRSfWrzO0YjqTJd5kjAq37Zep1CEgaYmrH9Q3GwPiB9cHyd1Y1UwggGhJGoxipbzg==",
           "dev": true,
           "requires": {
             "camelcase": "^5.0.0",
@@ -11989,15 +12256,11 @@
       "dev": true
     },
     "uglify-js": {
-      "version": "3.6.7",
-      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.6.7.tgz",
-      "integrity": "sha512-4sXQDzmdnoXiO+xvmTzQsfIiwrjUCSA95rSP4SEd8tDb51W2TiDOlL76Hl+Kw0Ie42PSItCW8/t6pBNCF2R48A==",
+      "version": "3.11.2",
+      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.11.2.tgz",
+      "integrity": "sha512-G440NU6fewtnQftSgqRV1r2A5ChKbU1gqFCJ7I8S7MPpY/eZZfLGefaY6gUZYiWebMaO+txgiQ1ZyLDuNWJulg==",
       "dev": true,
-      "optional": true,
-      "requires": {
-        "commander": "~2.20.3",
-        "source-map": "~0.6.1"
-      }
+      "optional": true
     },
     "uid2": {
       "version": "0.0.3",
@@ -12499,9 +12762,9 @@
       "dev": true
     },
     "wordwrap": {
-      "version": "0.0.3",
-      "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-0.0.3.tgz",
-      "integrity": "sha1-o9XabNXAvAAI03I0u68b7WMFkQc=",
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-1.0.0.tgz",
+      "integrity": "sha1-J1hIEIkUVqQXHI0CJkQa3pDLyus=",
       "dev": true
     },
     "wrap-ansi": {
@@ -12719,9 +12982,9 @@
           }
         },
         "yargs-parser": {
-          "version": "13.1.1",
-          "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-13.1.1.tgz",
-          "integrity": "sha512-oVAVsHz6uFrg3XQheFII8ESO2ssAf9luWuAd6Wexsu4F3OtIW0o8IribPXYrD4WC24LWtPrJlGy87y5udK+dxQ==",
+          "version": "13.1.2",
+          "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-13.1.2.tgz",
+          "integrity": "sha512-3lbsNRf/j+A4QuSZfDRA7HRSfWrzO0YjqTJd5kjAq37Zep1CEgaYmrH9Q3GwPiB9cHyd1Y1UwggGhJGoxipbzg==",
           "dev": true,
           "requires": {
             "camelcase": "^5.0.0",
diff --git a/server/package.json b/server/package.json
index b30af62..cb6e1fe 100644
--- a/server/package.json
+++ b/server/package.json
@@ -51,7 +51,7 @@
     "node": ">=8.9"
   },
   "dependencies": {
-    "@quintype/migration-helpers": "^1.14.8",
+    "@quintype/migration-helpers": "^1.14.9",
     "@types/busboy": "^0.2.3",
     "@types/multer": "^1.3.10",
     "@types/split2": "^2.1.6",
diff --git a/server/src/lib/handlers/validator.spec.ts b/server/src/lib/handlers/validator.spec.ts
index 343a79e..cf4eda1 100644
--- a/server/src/lib/handlers/validator.spec.ts
+++ b/server/src/lib/handlers/validator.spec.ts
@@ -213,7 +213,7 @@ describe('sectionValidationTest', () => {
     );
   });
 
-  it('should throw "requiredProperty" error if name is not provided', () => {
+  it('should throw "required" error if name is not provided', () => {
     const Section = {
       slug: 'sports',
       'external-id': 'section-001'
@@ -257,6 +257,19 @@ describe('sectionValidationTest', () => {
     );
   });
 
+  it('should throw "pattern" error if slug is not valid', () => {
+    const Section = {
+      name: 'Sports',
+      slug: 'sports&w',
+      'external-id': 'section-001'
+    };
+    const output = validator('Section', Section, {}, new Set());
+    expect(output).toEqual(
+      expect.objectContaining(
+        {pattern: [expect.objectContaining({ key: 'slug:Invalid-string', ids: ['section-001'] })]})
+    );
+  });
+
   it('should validate successfully when all required keys with correct datatypes are provided', () => {
     const Section = {
       name: 'Sports',
diff --git a/server/src/lib/utils/error-parser.ts b/server/src/lib/utils/error-parser.ts
index 8acb02d..6a49a81 100644
--- a/server/src/lib/utils/error-parser.ts
+++ b/server/src/lib/utils/error-parser.ts
@@ -110,7 +110,6 @@ function getErrorParam(error: Obj, schema: string): string | boolean {
       return (keyPath + ':' + error.params.limit)
     case 'uniqueKey':
     case 'invalidURL':
-    case 'invalidSlug':
     case 'invalidEmail':
     case 'authorNamesMismatch':
     case 'invalidHeroImage':
@@ -120,7 +119,7 @@ function getErrorParam(error: Obj, schema: string): string | boolean {
     case 'oldTimestamp':
       return (keyPath + ':' + schema)
     case 'pattern':
-      return (keyPath + ':Incorrect-HTML-string')
+      return (keyPath + ':Invalid-string')
 
 // handle other keyword errors if required
   }
diff --git a/server/src/lib/utils/validator.ts b/server/src/lib/utils/validator.ts
index 72b8a0a..ed1f642 100644
--- a/server/src/lib/utils/validator.ts
+++ b/server/src/lib/utils/validator.ts
@@ -66,22 +66,7 @@ function validateBody(body: string, errors: Array<ajv.ErrorObject>) {
   return errors
 }
 
-function isValidSlug(slug: string) {
-  let slugRegex = /^[A-Za-z0-9]+(?:-[A-Za-z0-9]+)*$/;
-  return slugRegex.test(slug);
-}
-
 function validateSlug(slug: string, uniqueSlugs: Set<string>, errors: Array<ajv.ErrorObject>) {
-  if(!isValidSlug(slug)) {
-    errors.push({
-      keyword: 'invalidSlug',
-      dataPath: '/slug',
-      schemaPath: '',
-      params: {
-        value: slug
-      }
-    });
-  }
   if(!isUniqueSlug(slug,uniqueSlugs)) {
     errors.push({
       keyword: 'uniqueKey',
diff --git a/server/test-data/editor-test.ts b/server/test-data/editor-test.ts
index 4ff27d4..a4bac1a 100644
--- a/server/test-data/editor-test.ts
+++ b/server/test-data/editor-test.ts
@@ -2,6 +2,13 @@
 export interface SectionTest {
   /** Name of section */
   readonly name: string;
+
+  /**
+   * Slug of section
+   * @minLength 1
+   * @pattern ^[a-z0-9]+(?:-[a-z0-9]+)*$
+   */
+  readonly slug?: string;
 }
 
 /** Author Definition */
diff --git a/server/test-data/test_schema.json b/server/test-data/test_schema.json
index 36ba412..ffaf59b 100644
--- a/server/test-data/test_schema.json
+++ b/server/test-data/test_schema.json
@@ -99,6 +99,12 @@
             "name": {
               "description": "Name of section",
               "type": "string"
+            },
+            "slug": {
+              "description": "Slug of section",
+              "minLength": 1,
+              "pattern": "^[a-z0-9]+(?:-[a-z0-9]+)*$",
+              "type": "string"
             }
           },
           "required": [