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