Fatal error: Uncaught Error: Interface "Illuminate\Contracts\Translation\Translator" not found in C:\xampp\htdocs\ojs\lib\pkp\classes\i18n\interfaces\LocaleInterface.php:33 Stack trace: #0 {main} thrown in C:\xampp\htdocs\ojs\lib\pkp\classes\i18n\interfaces\LocaleInterface.php on line 33