Fatal error: Declaration of FluidTYPO3\Flux\Content\TypeDefinition\RecordBased\RecordBasedContentTypeDefinition::getForm(array $record = []): FluidTYPO3\Flux\Form\FormInterface must be compatible with FluidTYPO3\Flux\Content\TypeDefinition\SerializeSafeTrait::getForm(): FluidTYPO3\Flux\Form in /var/www/vhosts/hifi-extra.de/hifi-extra-webrelaunch-2021/web/typo3conf/ext/flux/Classes/Content/TypeDefinition/RecordBased/RecordBasedContentTypeDefinition.php on line 116