Updated ajax error message with returned errors

app/assets/javascripts/notes/components/comment_form.vue

@@ -247,15 +247,19 @@ Please check your network connection and try again.`;
       } else {
         this.reopenIssue()
           .then(() => this.enableButton())
-          .catch(() => {
+          .catch(({ data }) => {
             this.enableButton();
             this.toggleStateButtonLoading(false);
-            Flash(
-              sprintf(
+            let errorMessage = sprintf(
               __('Something went wrong while reopening the %{issuable}. Please try again later'),
               { issuable: this.noteableDisplayName },
-              ),
             );
+
+            if (data) {
+              errorMessage = Object.values(data).join('\n');
+            }
+
+            Flash(errorMessage);
           });
       }
     },