diff --git a/explorer/client/src/utils/api/searchUtil.ts b/explorer/client/src/utils/api/searchUtil.ts
index 11c9c2458bd55..75743b1881e1a 100644
--- a/explorer/client/src/utils/api/searchUtil.ts
+++ b/explorer/client/src/utils/api/searchUtil.ts
@@ -1,6 +1,8 @@
 // Copyright (c) 2022, Mysten Labs, Inc.
 // SPDX-License-Identifier: Apache-2.0
 
+import { isObjectNotExistsInfo, isObjectRef } from 'sui.js';
+
 import { DefaultRpcClient as rpc } from './DefaultRpcClient';
 
 export const navigateWithUnknown = async (
@@ -15,10 +17,17 @@ export const navigateWithUnknown = async (
             data: data,
         };
     });
-    const objInfoPromise = rpc.getObjectInfo(input).then((data) => ({
-        category: 'objects',
-        data: data,
-    }));
+    const objInfoPromise = rpc.getObjectInfo(input).then((data) => {
+        const deets = data.details;
+        if (isObjectNotExistsInfo(deets) && !isObjectRef(deets)) {
+            throw new Error('no object found');
+        }
+
+        return {
+            category: 'objects',
+            data: data,
+        };
+    });
 
     const txDetailsPromise = rpc.getTransaction(input).then((data) => ({
         category: 'transactions',
diff --git a/sdk/typescript/src/index.ts b/sdk/typescript/src/index.ts
index e988599025514..151b0655cd6a6 100644
--- a/sdk/typescript/src/index.ts
+++ b/sdk/typescript/src/index.ts
@@ -18,5 +18,6 @@ export * from './signers/raw-signer';
 export * from './signers/signer-with-provider';
 
 export * from './types';
+export * from './index.guard';
 
 export * as BCS from './bcs';