Fatal error: Uncaught TypeError: call_user_func(): Argument #1 ($callback) must be a valid callback, class userbase\aimodhelp\event\main_listener does not have a method "load_js" in /var/www/test-sites/test-goztow.userbase.be/forum/vendor/symfony/event-dispatcher/EventDispatcher.php:214 Stack trace: #0 /var/www/test-sites/test-goztow.userbase.be/forum/vendor/symfony/event-dispatcher/EventDispatcher.php(44): Symfony\Component\EventDispatcher\EventDispatcher->doDispatch() #1 /var/www/test-sites/test-goztow.userbase.be/forum/phpbb/event/dispatcher.php(62): Symfony\Component\EventDispatcher\EventDispatcher->dispatch() #2 /var/www/test-sites/test-goztow.userbase.be/forum/phpbb/event/dispatcher.php(46): phpbb\event\dispatcher->dispatch() #3 /var/www/test-sites/test-goztow.userbase.be/forum/includes/functions.php(4308): phpbb\event\dispatcher->trigger_event() #4 /var/www/test-sites/test-goztow.userbase.be/forum/viewtopic.php(2426): page_footer() #5 {main} thrown in /var/www/test-sites/test-goztow.userbase.be/forum/vendor/symfony/event-dispatcher/EventDispatcher.php on line 214