fix to admin area to properly display queue action options

application/views/approval_actions/ApprovalActionQueue.xhtml

@@ -4,7 +4,9 @@ $currentSave = $current;
 
 $current['id'] = '';
 $current['value'] = null;
-$current['approvalRoles'] = $this->chain->ownerBody->roles->columnToArray('name', 'approvalBodyRoleId');
+if ($this->chain->ownerBody->roles) {
+    $current['approvalRoles'] = $this->chain->ownerBody->roles->columnToArray('name', 'approvalBodyRoleId');
+}
 $current['selectedRoleId'] = null;
 if ($approvalAction) {
     $current['keyPrefix'] = 'edit[' . $approvalAction->getPrimaryKey() . '][';