Fatal error: Uncaught Error: Interface "Symfony\Component\Translation\Provider\ProviderInterface" not found in C:\www\Apache24\htdocs\agenda-dif\vendor\symfony\translation\Provider\NullProvider.php:20 Stack trace: #0 {main} thrown in C:\www\Apache24\htdocs\agenda-dif\vendor\symfony\translation\Provider\NullProvider.php on line 20