Fatal error: Uncaught Error: Interface "ParagonIE\ConstantTime\EncoderInterface" not found in /home/bimmertest/BookStack/vendor/paragonie/constant_time_encoding/src/Base64.php:38 Stack trace: #0 {main} thrown in /home/bimmertest/BookStack/vendor/paragonie/constant_time_encoding/src/Base64.php on line 38