[Error] Class 'Bitrix\Sale\DiscountCouponsManager' not found (0) /home/c/cb52567/public_html/bitrix/modules/catalog/general/discount.php:1047 #0: CAllCatalogDiscount::getSaleDiscountsByProduct(array, string, array, array, boolean) /home/c/cb52567/public_html/bitrix/modules/catalog/general/discount.php:1222 #1: CAllCatalogDiscount::GetDiscount(integer, integer, array, array, string, string, array) /home/c/cb52567/public_html/bitrix/modules/iblock/lib/component/base.php:2592 #2: Bitrix\Iblock\Component\Base->calculatePriceBlock(array, array, integer, boolean) /home/c/cb52567/public_html/bitrix/modules/iblock/lib/component/base.php:2380 #3: Bitrix\Iblock\Component\Base->calculateItemPrices(array) /home/c/cb52567/public_html/bitrix/modules/iblock/lib/component/base.php:3119 #4: Bitrix\Iblock\Component\Base->processProducts() /home/c/cb52567/public_html/bitrix/modules/iblock/lib/component/base.php:3597 #5: Bitrix\Iblock\Component\Base->prepareData() /home/c/cb52567/public_html/bitrix/modules/iblock/lib/component/base.php:3550 #6: Bitrix\Iblock\Component\Base->processResultData() /home/c/cb52567/public_html/bitrix/modules/iblock/lib/component/element.php:244 #7: Bitrix\Iblock\Component\Element->processResultData() /home/c/cb52567/public_html/bitrix/modules/iblock/lib/component/base.php:3955 #8: Bitrix\Iblock\Component\Base->loadData() /home/c/cb52567/public_html/bitrix/modules/iblock/lib/component/base.php:3944 #9: Bitrix\Iblock\Component\Base->initialLoadAction() /home/c/cb52567/public_html/bitrix/modules/iblock/lib/component/element.php:229 #10: Bitrix\Iblock\Component\Element->initialLoadAction() #11: call_user_func(array) /home/c/cb52567/public_html/bitrix/modules/iblock/lib/component/base.php:4129 #12: Bitrix\Iblock\Component\Base->doAction() /home/c/cb52567/public_html/bitrix/modules/iblock/lib/component/base.php:4147 #13: Bitrix\Iblock\Component\Base->executeComponent() /home/c/cb52567/public_html/bitrix/modules/main/classes/general/component.php:648 #14: CBitrixComponent->includeComponent(string, array, boolean) /home/c/cb52567/public_html/bitrix/modules/main/classes/general/main.php:1039 #15: CAllMain->IncludeComponent(string, string, array, boolean) /home/c/cb52567/public_html/books/item.php:148 #16: include_once(string) /home/c/cb52567/public_html/bitrix/modules/main/include/urlrewrite.php:159 #17: include_once(string) /home/c/cb52567/public_html/bitrix/urlrewrite.php:2