Deprecated: Tobscure\JsonApi\AbstractSerializer::getAttributes(): Implicitly marking parameter $fields as nullable is deprecated, the explicit nullable type must be used instead in /home/sardosne/flarum.sardos.net/vendor/sycho/json-api/src/AbstractSerializer.php on line 44

Fatal error: Uncaught Error: Interface "Tobscure\JsonApi\SerializerInterface" not found in /home/sardosne/flarum.sardos.net/vendor/sycho/json-api/src/AbstractSerializer.php:16 Stack trace: #0 {main} thrown in /home/sardosne/flarum.sardos.net/vendor/sycho/json-api/src/AbstractSerializer.php on line 16