Fatal error: Uncaught Error: Class 'Xibo\Widget\ModuleWidget' not found in /home/rijschoolmk/xibo.rijschool-mk.be/lib/Widget/PowerPoint.php:24 Stack trace: #0 {main} thrown in /home/rijschoolmk/xibo.rijschool-mk.be/lib/Widget/PowerPoint.php on line 24