public function resetOrder()
    {
        $oOrder = oxNew(\OxidEsales\Eshop\Application\Model\Order::class);
        if ($oOrder->load($this->getEditObjectId())) {
            $oOrder->oxorder__oxsenddate = new \OxidEsales\Eshop\Core\Field("0000-00-00 00:00:00");
            $oOrder->save();

            $this->onOrderReset();
        }
    }