Fatal error: Uncaught Error: Class "Lcobucci\JWT\Signer\OpenSSL" not found in D:\Apache24\www\qilu_sap\back-end\vendor\lcobucci\jwt\src\Signer\UnsafeRsa.php:9 Stack trace: #0 {main} thrown in D:\Apache24\www\qilu_sap\back-end\vendor\lcobucci\jwt\src\Signer\UnsafeRsa.php on line 9