Fatal error: Uncaught Error: Interface "Monolog\Formatter\FormatterInterface" not found in /home/amper418/shopv2.amperio.ch/vendor/symfony/monolog-bridge/Formatter/VarDumperFormatter.php:21 Stack trace: #0 {main} thrown in /home/amper418/shopv2.amperio.ch/vendor/symfony/monolog-bridge/Formatter/VarDumperFormatter.php on line 21