// The save2copy task needs to be handled slightly differently.
if ($task == 'save2copy')
{
	// Check-in the original row.
	if ($checkin && $model->checkin($data[$key]) === false)
	{
		// Check-in failed. Go back to the item and display a notice.
		$this->setError(JText::sprintf('JLIB_APPLICATION_ERROR_CHECKIN_FAILED', $model->getError()));
		$this->setMessage($this->getError(), 'error');

		$this->setRedirect(
			JRoute::_(
				'index.php?option=' . $this->option . '&view=' . $this->view_item
				. $this->getRedirectToItemAppend($recordId, $urlVar), false
			)
		);

		return false;
	}

	// Reset the ID and then treat the request as for Apply.
	$data[$key] = 0;
	
// HERE VERY IMPORTANT
$model->setState($model->getName() . '.id', 0);

	$task = 'apply';
}