Fatal error: Uncaught Error: Class 'Twig_Extension' not found in /home/rijschoolmk/xibo.rijschool-mk.be/lib/Twig/ByteFormatterTwigExtension.php:14 Stack trace: #0 {main} thrown in /home/rijschoolmk/xibo.rijschool-mk.be/lib/Twig/ByteFormatterTwigExtension.php on line 14