Fatal error: Uncaught Error: Interface "Ergebnis\Json\Normalizer\Normalizer" not found in /home/myclienteu/mobileo-cms/vendor/ergebnis/json-normalizer/src/SchemaNormalizer.php:25 Stack trace: #0 {main} thrown in /home/myclienteu/mobileo-cms/vendor/ergebnis/json-normalizer/src/SchemaNormalizer.php on line 25