EntityPropertyValue::checkRequiredValue

public function checkRequiredValue($key, $value)
{
	$result = new Result();

	$res = $this->property->checkRequiredValue($value);
	if (!$res->isSuccess())
	{
		$errors = $res->getErrors();
		foreach ($errors as $error)
		{
			$result->addError(new ResultError($error->getMessage(), "PROPERTIES[$key]"));
			$result->addError(new ResultWarning($error->getMessage(), "PROPERTIES[$key]"));
		}
	}

	return $result;
}