Deprecated: Return type of Caldera_Forms_Field_JS::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/aropawoz/www/_stud.vkagl.kanti-informatik.ch/wp-content/plugins/caldera-forms/classes/field/js.php on line 128