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[Bitrix\Main\SystemException] 
Unknown field definition ` ` ( ) for Group Entity. (100)
/home/c/ca66460/public_html/bitrix/modules/main/lib/entity/querychain.php:334
#0: Bitrix\Main\Entity\QueryChain::getChainByDefinition(object, string)
	/home/c/ca66460/public_html/bitrix/modules/main/lib/entity/query.php:1848
#1: Bitrix\Main\Entity\Query->getRegisteredChain(string, boolean)
	/home/c/ca66460/public_html/bitrix/modules/main/lib/entity/query.php:551
#2: Bitrix\Main\Entity\Query->addToSelectChain(string, NULL)
	/home/c/ca66460/public_html/bitrix/modules/main/lib/entity/query.php:1278
#3: Bitrix\Main\Entity\Query->buildQuery()
	/home/c/ca66460/public_html/bitrix/modules/main/lib/entity/query.php:486
#4: Bitrix\Main\Entity\Query->exec()
	/home/c/ca66460/public_html/bitrix/modules/main/lib/entity/datamanager.php:256
#5: Bitrix\Main\Entity\DataManager::getList(array)
	/home/c/ca66460/public_html/bitrix/modules/catalog/general/cataloggroup.php:292
#6: CAllCatalogGroup::GetListArray()
	/home/c/ca66460/public_html/bitrix/modules/iblock/classes/general/comp_pricetools.php:41
#7: CIBlockPriceTools::GetCatalogPrices(boolean, array)
	/home/c/ca66460/public_html/bitrix/modules/iblock/lib/component/base.php:567
#8: Bitrix\Iblock\Component\Base->initPrices()
	/home/c/ca66460/public_html/bitrix/modules/iblock/lib/component/base.php:3533
#9: Bitrix\Iblock\Component\Base->processResultData()
	/home/c/ca66460/public_html/bitrix/modules/iblock/lib/component/element.php:244
#10: Bitrix\Iblock\Component\Element->processResultData()
	/home/c/ca66460/public_html/bitrix/modules/iblock/lib/component/base.php:3946
#11: Bitrix\Iblock\Component\Base->loadData()
	/home/c/ca66460/public_html/bitrix/modules/iblock/lib/component/base.php:3935
#12: Bitrix\Iblock\Component\Base->initialLoadAction()
	/home/c/ca66460/public_html/bitrix/modules/iblock/lib/component/element.php:229
#13: Bitrix\Iblock\Component\Element->initialLoadAction()
	
#14: call_user_func(array)
	/home/c/ca66460/public_html/bitrix/modules/iblock/lib/component/base.php:4120
#15: Bitrix\Iblock\Component\Base->doAction()
	/home/c/ca66460/public_html/bitrix/modules/iblock/lib/component/base.php:4138
#16: Bitrix\Iblock\Component\Base->executeComponent()
	/home/c/ca66460/public_html/bitrix/modules/main/classes/general/component.php:585
#17: CBitrixComponent->includeComponent(string, array, object)
	/home/c/ca66460/public_html/bitrix/modules/main/classes/general/main.php:1035
#18: CAllMain->IncludeComponent(string, string, array, object)
	/home/c/ca66460/public_html/local/templates/main/components/bitrix/catalog/catalog/element.php:145
#19: include(string)
	/home/c/ca66460/public_html/bitrix/modules/main/classes/general/component_template.php:714
#20: CBitrixComponentTemplate->__IncludePHPTemplate(array, array, string)
	/home/c/ca66460/public_html/bitrix/modules/main/classes/general/component_template.php:806
#21: CBitrixComponentTemplate->IncludeTemplate(array)
	/home/c/ca66460/public_html/bitrix/modules/main/classes/general/component.php:681
#22: CBitrixComponent->showComponentTemplate()
	/home/c/ca66460/public_html/bitrix/modules/main/classes/general/component.php:629
#23: CBitrixComponent->includeComponentTemplate(string)
	/home/c/ca66460/public_html/bitrix/components/bitrix/catalog/component.php:168
#24: include(string)
	/home/c/ca66460/public_html/bitrix/modules/main/classes/general/component.php:548
#25: CBitrixComponent->__includeComponent()
	/home/c/ca66460/public_html/bitrix/modules/main/classes/general/component.php:600
#26: CBitrixComponent->includeComponent(string, array, boolean)
	/home/c/ca66460/public_html/bitrix/modules/main/classes/general/main.php:1035
#27: CAllMain->IncludeComponent(string, string, array, boolean)
	/home/c/ca66460/public_html/opt/index.php:236
#28: include_once(string)
	/home/c/ca66460/public_html/bitrix/modules/main/include/urlrewrite.php:159
#29: include_once(string)
	/home/c/ca66460/public_html/bitrix/urlrewrite.php:2