Fatal error: Uncaught Error: Class "Lcobucci\JWT\Signer\OpenSSL" not found in C:\AppServ\Apache\2.4.58\htdocs\sets\vendor\lcobucci\jwt\src\Signer\Rsa.php:8 Stack trace: #0 {main} thrown in C:\AppServ\Apache\2.4.58\htdocs\sets\vendor\lcobucci\jwt\src\Signer\Rsa.php on line 8