Fatal error: Uncaught Error: Interface 'Lcobucci\JWT\Signer\Ecdsa\SignatureConverter' not found in D:\xampp\htdocs\psp\backend\vendor\lcobucci\jwt\src\Signer\Ecdsa\MultibyteStringConverter.php:29 Stack trace: #0 {main} thrown in D:\xampp\htdocs\psp\backend\vendor\lcobucci\jwt\src\Signer\Ecdsa\MultibyteStringConverter.php on line 29