Fatal error: Uncaught Error: Class 'Twig_Node_Expression_Test' not found in /home/sven/www/svenk.org/~koeppel/src/lib/Twig/Node/Expression/Test/Constant.php:23
Stack trace:
#0 {main}
thrown in /home/sven/www/svenk.org/~koeppel/src/lib/Twig/Node/Expression/Test/Constant.php on line 23