Fatal error: Uncaught Error: Class 'ParagonIE\ConstantTime\Base64' not found in C:\xampp\htdocs\dpbb\vendor\paragonie\constant_time_encoding\src\Base64UrlSafe.php:34 Stack trace: #0 {main} thrown in C:\xampp\htdocs\dpbb\vendor\paragonie\constant_time_encoding\src\Base64UrlSafe.php on line 34