Расчеты, облегчающие строительство Стены Дома

[Error] 
[] operator not supported for strings (0)
/home/a/assnab/bitrix/public_html/bitrix/modules/iblock/classes/general/iblockproperty.php:74
#0: CAllIBlockProperty::GetList(array, array)
	/home/a/assnab/bitrix/public_html/bitrix/modules/iblock/classes/general/comp_pricetools.php:73
#1: CIBlockPriceTools::GetCatalogPrices(integer, array)
	/home/a/assnab/bitrix/public_html/bitrix/components/bitrix/catalog.section/component.php:585
#2: include(string)
	/home/a/assnab/bitrix/public_html/bitrix/modules/main/classes/general/component.php:548
#3: CBitrixComponent->__includeComponent()
	/home/a/assnab/bitrix/public_html/bitrix/modules/main/classes/general/component.php:600
#4: CBitrixComponent->includeComponent(string, array, object)
	/home/a/assnab/bitrix/public_html/bitrix/modules/main/classes/general/main.php:1035
#5: CAllMain->IncludeComponent(string, string, array, object)
	/home/a/assnab/bitrix/public_html/bitrix/templates/cosmos_construct_s1/components/bitrix/catalog/cosmos/section.php:451
#6: include(string)
	/home/a/assnab/bitrix/public_html/bitrix/modules/main/classes/general/component_template.php:714
#7: CBitrixComponentTemplate->__IncludePHPTemplate(array, array, string)
	/home/a/assnab/bitrix/public_html/bitrix/modules/main/classes/general/component_template.php:806
#8: CBitrixComponentTemplate->IncludeTemplate(array)
	/home/a/assnab/bitrix/public_html/bitrix/modules/main/classes/general/component.php:681
#9: CBitrixComponent->showComponentTemplate()
	/home/a/assnab/bitrix/public_html/bitrix/modules/main/classes/general/component.php:629
#10: CBitrixComponent->includeComponentTemplate(string)
	/home/a/assnab/bitrix/public_html/bitrix/components/bitrix/catalog/component.php:167
#11: include(string)
	/home/a/assnab/bitrix/public_html/bitrix/modules/main/classes/general/component.php:548
#12: CBitrixComponent->__includeComponent()
	/home/a/assnab/bitrix/public_html/bitrix/modules/main/classes/general/component.php:600
#13: CBitrixComponent->includeComponent(string, array, boolean)
	/home/a/assnab/bitrix/public_html/bitrix/modules/main/classes/general/main.php:1035
#14: CAllMain->IncludeComponent(string, string, array, boolean)
	/home/a/assnab/bitrix/public_html/study/index.php:198
#15: include_once(string)
	/home/a/assnab/bitrix/public_html/bitrix/modules/main/include/urlrewrite.php:159
#16: include_once(string)
	/home/a/assnab/bitrix/public_html/bitrix/urlrewrite.php:2