AutoPromotionNotFoundError example

                return;
            }

            // if there is no collected promotion we may return - nothing to calculate!             if (!$data->has(self::DATA_KEY)) {
                $lineItemPromotions = $original->getLineItems()->filterType(self::LINE_ITEM_TYPE);
                foreach ($lineItemPromotions as $lineItemPromotion) {
                    if (empty($lineItemPromotion->getReferencedId())) {
                        $toCalculate->addErrors(
                            new AutoPromotionNotFoundError($lineItemPromotion->getLabel() ?? $lineItemPromotion->getId())
                        );
                    }
                }

                return;
            }

            /** @var LineItemCollection $discountLineItems */
            $discountLineItems = $data->get(self::DATA_KEY);

            // calculate the whole cart with the