Fatal error: Uncaught Error: Interface "Symfony\Component\Translation\Loader\LoaderInterface" not found in C:\Apache24\htdocs\cms_upgrade\vendor\symfony\translation\Loader\XliffFileLoader.php:26 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\cms_upgrade\vendor\symfony\translation\Loader\XliffFileLoader.php on line 26