Fatal error: Uncaught Error: Class 'Lcobucci\JWT\Signer\BaseSigner' not found in D:\xampp\htdocs\psp\backend\vendor\lcobucci\jwt\src\Signer\Hmac.php:16 Stack trace: #0 {main} thrown in D:\xampp\htdocs\psp\backend\vendor\lcobucci\jwt\src\Signer\Hmac.php on line 16