I'm getting the following error message in my Server Error Logs: XenForo_Exception: No controller response from Andy_SimilarThreads_ControllerPublic_Abstract::actionIndex - library/XenForo/FrontController.php:455 In my Similar Threads add-on I have an option to show similar threads when a new thread is being created. If this feature is disabled (un-checked) the code bypasses the main part of the function. Here's a link to the code: http://xenforo.com/community/threads/similar-threads-v1-4.62374/#post-661591 In this situation I can't just add the following code: PHP: //option not set return parent actionreturn parent::actionIndex(); because there's no actionIndex() parent in the default ControllerPublic_Abstract file. What is the correct code to avoid the error message? Thank you.