Fatal error: Uncaught Error: Class "ParagonIE\ConstantTime\Base64" not found in /owin/api/www/vendor/paragonie/constant_time_encoding/src/Base64UrlSafe.php:34 Stack trace: #0 {main} thrown in /owin/api/www/vendor/paragonie/constant_time_encoding/src/Base64UrlSafe.php on line 34