GroupStepper::saveErrorOption

private function saveErrorOption(array $queueOption)
{
	$mapIdsCopiedFiles = $queueOption["mapIdsCopiedFiles"] ?: [];

	$mapIdsWithErrors = [];
	foreach ($mapIdsCopiedFiles as $fileId => $copiedFileId)
	{
		if (!$copiedFileId)
		{
			$mapIdsWithErrors[] = $fileId;
		}
	}

	if ($mapIdsWithErrors)
	{
		Option::set(self::$moduleId, $this->errorName, serialize($mapIdsWithErrors));
	}
}