DataManagerEvent::getErrors

public function getErrors(Result $result)
{
	$hasErrors = false;
	if ($this->getResults() != null)
	{
		foreach($this->getResults() as $evenResult)
		{
			if($evenResult->getResultType() === BitrixMainEventResult::ERROR)
			{
				$hasErrors = true;
				$result->addErrors($evenResult->getParameters());
			}
		}
	}
	return $hasErrors;
}