Fatal error: Uncaught Error: Interface 'Ergebnis\Json\Normalizer\Normalizer' not found in /home/myclienteu/forcis-cms/vendor/ergebnis/json-normalizer/src/Vendor/Composer/VersionConstraintNormalizer.php:21 Stack trace: #0 {main} thrown in /home/myclienteu/forcis-cms/vendor/ergebnis/json-normalizer/src/Vendor/Composer/VersionConstraintNormalizer.php on line 21