[Error]
Undefined class constant 'DATA_CLASS_NAMESPACE' (0)
/home/f/fv2078ft/fapsiz.ru/public_html/bitrix/modules/iblock/lib/orm/loader.php:33
#0: Bitrix\Iblock\ORM\Loader::autoLoad(string)
/home/f/fv2078ft/fapsiz.ru/public_html/bitrix/modules/main/lib/loader.php:418
#1: Bitrix\Main\Loader::autoLoad(string)
#2: spl_autoload_call(string)
#3: class_exists(string)
/home/f/fv2078ft/fapsiz.ru/public_html/bitrix/modules/highloadblock/lib/highloadblock.php:386
#4: Bitrix\Highloadblock\HighloadBlockTable::compileEntity(array)
/home/f/fv2078ft/fapsiz.ru/public_html/bitrix/modules/iblock/classes/general/comp_pricetools.php:1878
#5: CIBlockPriceTools::getTreeProperties(array, array, array)
/home/f/fv2078ft/fapsiz.ru/public_html/bitrix/modules/iblock/lib/component/elementlist.php:1987
#6: Bitrix\Iblock\Component\ElementList->getTemplateSkuPropList()
/home/f/fv2078ft/fapsiz.ru/public_html/bitrix/modules/iblock/lib/component/elementlist.php:1640
#7: Bitrix\Iblock\Component\ElementList->editTemplateData()
/home/f/fv2078ft/fapsiz.ru/public_html/bitrix/modules/iblock/lib/component/base.php:4624
#8: Bitrix\Iblock\Component\Base->applyTemplateModifications()
/home/f/fv2078ft/fapsiz.ru/public_html/local/templates/megamart_default/components/bitrix/catalog.section/catalog/result_modifier.php:193
#9: include(string)
/home/f/fv2078ft/fapsiz.ru/public_html/bitrix/modules/main/classes/general/component_template.php:882
#10: CBitrixComponentTemplate->__IncludeMutatorFile(array, array)
/home/f/fv2078ft/fapsiz.ru/public_html/bitrix/modules/main/classes/general/component_template.php:789
#11: CBitrixComponentTemplate->IncludeTemplate(array)
/home/f/fv2078ft/fapsiz.ru/public_html/bitrix/modules/main/classes/general/component.php:735
#12: CBitrixComponent->showComponentTemplate()
/home/f/fv2078ft/fapsiz.ru/public_html/bitrix/modules/main/classes/general/component.php:683
#13: CBitrixComponent->includeComponentTemplate()
/home/f/fv2078ft/fapsiz.ru/public_html/bitrix/modules/iblock/lib/component/base.php:4428
#14: Bitrix\Iblock\Component\Base->loadData()
/home/f/fv2078ft/fapsiz.ru/public_html/bitrix/modules/iblock/lib/component/elementlist.php:1170
#15: Bitrix\Iblock\Component\ElementList->loadData()
/home/f/fv2078ft/fapsiz.ru/public_html/bitrix/modules/iblock/lib/component/base.php:4407
#16: Bitrix\Iblock\Component\Base->initialLoadAction()
/home/f/fv2078ft/fapsiz.ru/public_html/bitrix/components/bitrix/catalog.section/class.php:333
#17: CatalogSectionComponent->initialLoadAction()
#18: call_user_func(array)
/home/f/fv2078ft/fapsiz.ru/public_html/bitrix/modules/iblock/lib/component/base.php:4592
#19: Bitrix\Iblock\Component\Base->doAction()
/home/f/fv2078ft/fapsiz.ru/public_html/bitrix/modules/iblock/lib/component/base.php:4610
#20: Bitrix\Iblock\Component\Base->executeComponent()
/home/f/fv2078ft/fapsiz.ru/public_html/bitrix/modules/main/classes/general/component.php:638
#21: CBitrixComponent->includeComponent(string, array, object)
/home/f/fv2078ft/fapsiz.ru/public_html/bitrix/modules/main/classes/general/main.php:1038
#22: CAllMain->IncludeComponent(string, string, array, object)
/home/f/fv2078ft/fapsiz.ru/public_html/local/templates/megamart_default/components/bitrix/catalog/catalog/section.php:727
#23: include(string)
/home/f/fv2078ft/fapsiz.ru/public_html/bitrix/modules/main/classes/general/component_template.php:725
#24: CBitrixComponentTemplate->__IncludePHPTemplate(array, array, string)
/home/f/fv2078ft/fapsiz.ru/public_html/bitrix/modules/main/classes/general/component_template.php:820
#25: CBitrixComponentTemplate->IncludeTemplate(array)
/home/f/fv2078ft/fapsiz.ru/public_html/bitrix/modules/main/classes/general/component.php:735
#26: CBitrixComponent->showComponentTemplate()
/home/f/fv2078ft/fapsiz.ru/public_html/bitrix/modules/main/classes/general/component.php:683
#27: CBitrixComponent->includeComponentTemplate(string)
/home/f/fv2078ft/fapsiz.ru/public_html/bitrix/components/bitrix/catalog/component.php:171
#28: include(string)
/home/f/fv2078ft/fapsiz.ru/public_html/bitrix/modules/main/classes/general/component.php:594
#29: CBitrixComponent->__includeComponent()
/home/f/fv2078ft/fapsiz.ru/public_html/bitrix/modules/main/classes/general/component.php:653
#30: CBitrixComponent->includeComponent(string, array, NULL)
/home/f/fv2078ft/fapsiz.ru/public_html/bitrix/modules/main/classes/general/main.php:1038
#31: CAllMain->IncludeComponent(string, string, array)
/home/f/fv2078ft/fapsiz.ru/public_html/catalog/index.php:11
#32: include_once(string)
/home/f/fv2078ft/fapsiz.ru/public_html/bitrix/modules/main/include/urlrewrite.php:159
#33: include_once(string)
/home/f/fv2078ft/fapsiz.ru/public_html/bitrix/urlrewrite.php:2
