CAllMain::ThrowException

public function ThrowException($msg, $id = false)
{
	$this->ResetException();
	if(is_object($msg) && (is_subclass_of($msg, 'CApplicationException') || (mb_strtolower(get_class($msg)) == 'capplicationexception')))
		$this->LAST_ERROR = $msg;
	else
		$this->LAST_ERROR = new CApplicationException($msg, $id);
}