[Error] 
Undefined class constant 'DATA_CLASS_NAMESPACE' (0)
/home/c/cx40527/public_html/bitrix/modules/iblock/lib/orm/loader.php:33
#0: Bitrix\Iblock\ORM\Loader::autoLoad(string)
	/home/c/cx40527/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/c/cx40527/public_html/bitrix/modules/citrus.arealty/vendor/maximaster/tools.orm/src/Maximaster/Tools/Orm/Iblock/ElementTable.php:403
#4: Maximaster\Tools\Orm\Iblock\ElementTable::compileEntity(integer)
	/home/c/cx40527/public_html/bitrix/modules/citrus.arealty/lib/iblock/calclinked.php:31
#5: Citrus\Arealty\Iblock\CalcLinked->__construct(integer, string)
	/home/c/cx40527/public_html/bitrix/modules/citrus.arealty/lib/complexservice.php:21
#6: Citrus\Arealty\ComplexService->__construct(integer)
	/home/c/cx40527/public_html/local/templates/citrus_arealty3/components/bitrix/catalog.element/catalog_detail/result_modifier.php:53
#7: include(string)
	/home/c/cx40527/public_html/bitrix/modules/main/classes/general/component_template.php:882
#8: CBitrixComponentTemplate->__IncludeMutatorFile(array, array)
	/home/c/cx40527/public_html/bitrix/modules/main/classes/general/component_template.php:789
#9: CBitrixComponentTemplate->IncludeTemplate(array)
	/home/c/cx40527/public_html/bitrix/modules/main/classes/general/component.php:735
#10: CBitrixComponent->showComponentTemplate()
	/home/c/cx40527/public_html/bitrix/modules/main/classes/general/component.php:683
#11: CBitrixComponent->includeComponentTemplate()
	/home/c/cx40527/public_html/bitrix/modules/iblock/lib/component/base.php:4428
#12: Bitrix\Iblock\Component\Base->loadData()
	/home/c/cx40527/public_html/bitrix/modules/iblock/lib/component/base.php:4407
#13: Bitrix\Iblock\Component\Base->initialLoadAction()
	/home/c/cx40527/public_html/bitrix/modules/iblock/lib/component/element.php:271
#14: Bitrix\Iblock\Component\Element->initialLoadAction()
	
#15: call_user_func(array)
	/home/c/cx40527/public_html/bitrix/modules/iblock/lib/component/base.php:4592
#16: Bitrix\Iblock\Component\Base->doAction()
	/home/c/cx40527/public_html/bitrix/modules/iblock/lib/component/base.php:4610
#17: Bitrix\Iblock\Component\Base->executeComponent()
	/home/c/cx40527/public_html/bitrix/modules/main/classes/general/component.php:638
#18: CBitrixComponent->includeComponent(string, array, object)
	/home/c/cx40527/public_html/bitrix/modules/main/classes/general/main.php:1038
#19: CAllMain->IncludeComponent(string, string, array, object)
	/home/c/cx40527/public_html/local/templates/citrus_arealty3/components/citrus/realty.catalog/complex/element.php:138
#20: include(string)
	/home/c/cx40527/public_html/bitrix/modules/main/classes/general/component_template.php:725
#21: CBitrixComponentTemplate->__IncludePHPTemplate(array, array, string)
	/home/c/cx40527/public_html/bitrix/modules/main/classes/general/component_template.php:820
#22: CBitrixComponentTemplate->IncludeTemplate(array)
	/home/c/cx40527/public_html/bitrix/modules/main/classes/general/component.php:735
#23: CBitrixComponent->showComponentTemplate()
	/home/c/cx40527/public_html/bitrix/modules/main/classes/general/component.php:683
#24: CBitrixComponent->includeComponentTemplate(string)
	/home/c/cx40527/public_html/local/components/citrus/realty.catalog/component.php:179
#25: include(string)
	/home/c/cx40527/public_html/bitrix/modules/main/classes/general/component.php:594
#26: CBitrixComponent->__includeComponent()
	/home/c/cx40527/public_html/bitrix/modules/main/classes/general/component.php:653
#27: CBitrixComponent->includeComponent(string, array, boolean)
	/home/c/cx40527/public_html/bitrix/modules/main/classes/general/main.php:1038
#28: CAllMain->IncludeComponent(string, string, array, boolean)
	/home/c/cx40527/public_html/zhilye-kompleksy/index.php:97
#29: include_once(string)
	/home/c/cx40527/public_html/bitrix/modules/main/include/urlrewrite.php:159
#30: include_once(string)
	/home/c/cx40527/public_html/bitrix/urlrewrite.php:2