Fatal error: Uncaught Error: Interface 'Grasmash\Expander\StringifierInterface' not found in /home/mobiledeit/www_gesmat/vendor/grasmash/expander/src/Stringifier.php:9 Stack trace: #0 {main} thrown in /home/mobiledeit/www_gesmat/vendor/grasmash/expander/src/Stringifier.php on line 9