Fatal error: Uncaught Error: Interface 'Lcobucci\JWT\Signer' not found in C:\xampp\htdocs\laravel-api-back01\vendor\lcobucci\jwt\src\Signer\BaseSigner.php:21 Stack trace: #0 {main} thrown in C:\xampp\htdocs\laravel-api-back01\vendor\lcobucci\jwt\src\Signer\BaseSigner.php on line 21