[Error] 
[] operator not supported for strings (0)
/home/bitrix/www/bitrix/modules/iblock/classes/general/iblockproperty.php:34
#0: CAllIBlockProperty::GetList(array, array)
	/home/bitrix/www/bitrix/modules/iblock/classes/general/iblockelement.php:2840
#1: CAllIBlockElement::PrepareGetList(array, array, NULL, boolean, array, string, array, array, NULL, NULL, NULL, boolean, string, array, array, array, NULL, array, NULL, array, array, NULL)
	/home/bitrix/www/bitrix/modules/iblock/classes/mysql/iblockelement.php:339
#2: CIBlockElement::GetList(array, array, boolean, boolean, array)
	/home/bitrix/www/bitrix/components/bitrix/news.detail/component.php:212
#3: include(string)
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:548
#4: CBitrixComponent->__includeComponent()
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:591
#5: CBitrixComponent->includeComponent(string, array, boolean)
	/home/bitrix/www/bitrix/modules/main/classes/general/main.php:1035
#6: CAllMain->IncludeComponent(string, string, array, boolean)
	/home/bitrix/www/e-store/books/authors/detail.php:50