Fatal error: Uncaught Error: Using $this when not in object context in /var/www/vhosts/test.imtec.ba/html/modules/criticalcss/criticalcss.php:13 Stack trace: #0 /var/www/vhosts/test.imtec.ba/html/classes/module/Module.php(1250): include_once() #1 /var/www/vhosts/test.imtec.ba/html/classes/module/Module.php(1242): ModuleCore::coreLoadModule() #2 /var/www/vhosts/test.imtec.ba/html/classes/Hook.php(972): ModuleCore::getInstanceByName() #3 /var/www/vhosts/test.imtec.ba/html/classes/controller/FrontController.php(633): HookCore::exec() #4 /var/www/vhosts/test.imtec.ba/html/controllers/front/ProductController.php(465): FrontControllerCore->initContent() #5 /var/www/vhosts/test.imtec.ba/html/classes/controller/Controller.php(319): ProductControllerCore->initContent() #6 /var/www/vhosts/test.imtec.ba/html/classes/Dispatcher.php(510): ControllerCore->run() #7 /var/www/vhosts/test.imtec.ba/html/index.php(28): DispatcherCore->dispatch() #8 {main} thrown in /var/www/vhosts/test.imtec.ba/html/modules/criticalcss/criticalcss.php on line 13