Fatal error: Uncaught TypeError: Studio\Library\TranslationService::setLanguage(): Argument #1 ($language) must be of type string, null given, called in /var/www/studio-8/app/modules/frontend/controllers/ErrorsController.php on line 29 and defined in /var/www/studio-8/app/common/library/TranslationService.php:30 Stack trace: #0 /var/www/studio-8/app/modules/frontend/controllers/ErrorsController.php(29): Studio\Library\TranslationService->setLanguage() #1 [internal function]: Studio\Modules\Frontend\Controllers\ErrorsController->show404Action() #2 [internal function]: Phalcon\Dispatcher\AbstractDispatcher->callActionMethod() #3 [internal function]: Phalcon\Dispatcher\AbstractDispatcher->dispatch() #4 /var/www/studio-8/app/bootstrap_web.php(66): Phalcon\Mvc\Application->handle() #5 /var/www/studio-8/public/index.php(3): require('...') #6 {main} thrown in /var/www/studio-8/app/common/library/TranslationService.php on line 30