fix(xo-web/log-alert-body): fix 'an error has occurred' (vatesfr#7458)

CHANGELOG.unreleased.md

@@ -18,6 +18,7 @@
 - [VM/Migration] Fix VDIs that were not migrated to the destination SR (PR [#7360](https://github.com/vatesfr/xen-orchestra/pull/7360))
 - [Home/VM] VMs migration from the home view will no longer execute a [Migration with Storage Motion](https://github.com/vatesfr/xen-orchestra/blob/master/docs/manage_infrastructure.md#vm-migration-with-storage-motion-vmmigrate_send) unless it is necessary [Forum#8279](https://xcp-ng.org/forum/topic/8279/getting-errors-when-migrating-4-out-5-vmguest/)(PR [#7360](https://github.com/vatesfr/xen-orchestra/pull/7360))
 - [VM/Migration] SR is no longer required if you select a migration network (PR [#7360](https://github.com/vatesfr/xen-orchestra/pull/7360))
+- [Backup] Fix `an error has occurred` when clicking on warning text in logs (PR [#7458](https://github.com/vatesfr/xen-orchestra/pull/7458))
 
 ### Packages to release
 

packages/xo-web/src/xo-app/logs/backup-ng/log-alert-body.js

@@ -106,7 +106,7 @@ class TaskWarning extends React.Component {
         <span className={className} onClick={() => this.setState({ expanded: !this.state.expanded })}>
           <Icon icon='alarm' /> {this.props.message}
         </span>
-        {this.state.expanded && (
+        {this.state.expanded && this.props.data && (
           <ul className='task-warning'>
             {Object.keys(this.props.data).map(key => (
               <li key={key}>