diff --git a/src/contentScripts/communityConsole/avatars.js b/src/contentScripts/communityConsole/avatars.js
index 41ccd1c..9c555b9 100644
--- a/src/contentScripts/communityConsole/avatars.js
+++ b/src/contentScripts/communityConsole/avatars.js
@@ -156,6 +156,9 @@
             // cache.
             lastMessageId: data?.['1']?.['2']?.['10'],
           };
+        })
+        .catch(cause => {
+          throw new Error('Failed ViewThread request.', {cause});
         });
   }