Error: Uncaught Exception: Unable to sign data. in .../vendor/bshaffer/oauth2-server-php/src/OAuth2/Encryption/Jwt.php:156
Warning: openssl_sign(): Supplied key param cannot be coerced into a private key in .../vendor/bshaffer/oauth2-server-php/src/OAuth2/Encryption/Jwt.php on line 155
Error: Uncaught Exception: Unable to sign data. in .../vendor/bshaffer/oauth2-server-php/src/OAuth2/Encryption/Jwt.php:156
Warning: openssl_sign(): Supplied key param cannot be coerced into a private key in .../vendor/bshaffer/oauth2-server-php/src/OAuth2/Encryption/Jwt.php on line 155
Maybe a problem with PHP 8.1?