Add::checkLimits

protected function checkLimits(): Result
{
	$result = parent::checkLimits();

	$addOperationRestriction = RestrictionManager::getAddOperationRestriction($this->item->getEntityTypeId());
	if (!$addOperationRestriction->hasPermission())
	{
		$result->addError(
			new Error(
				$addOperationRestriction->getErrorMessage(),
				$addOperationRestriction->getErrorCode(),
			)
		);
	}

	return $result;
}