Fatal error: Uncaught Error: Interface 'SuperClosure\SerializerInterface' not found in /home/rijschoolmk/xibo.rijschool-mk.be/vendor/jeremeamia/SuperClosure/src/Serializer.php:14 Stack trace: #0 {main} thrown in /home/rijschoolmk/xibo.rijschool-mk.be/vendor/jeremeamia/SuperClosure/src/Serializer.php on line 14