[Error] 
Call to a member function fetchAll() on null (0)
/home/c/cf64997/uk.green-garden.ru/public_html/bitrix/modules/citrus.tszh/classes/general/tszh_account_period.php:615
#0: CTszhAccountPeriod::GetTotalDebt(array, string)
	/home/c/cf64997/uk.green-garden.ru/public_html/bitrix/modules/citrus.tszh/classes/general/tszh_subscribe_classes.php:1880
#1: CTszhSubscribeDebtors::execAgent(integer, array, array)
	/home/c/cf64997/uk.green-garden.ru/public_html/bitrix/modules/main/classes/mysql/agent.php(163) : eval()'d code:1
#2: eval
	/home/c/cf64997/uk.green-garden.ru/public_html/bitrix/modules/main/classes/mysql/agent.php:163
#3: CAgent::ExecuteAgents(string)
	/home/c/cf64997/uk.green-garden.ru/public_html/bitrix/modules/main/classes/mysql/agent.php:40
#4: CAgent::CheckAgents()
	/home/c/cf64997/uk.green-garden.ru/public_html/bitrix/modules/main/include.php:264
#5: require_once(string)
	/home/c/cf64997/uk.green-garden.ru/public_html/bitrix/modules/main/include/prolog_before.php:14
#6: require_once(string)
	/home/c/cf64997/uk.green-garden.ru/public_html/bitrix/modules/main/include/prolog.php:10
#7: require_once(string)
	/home/c/cf64997/uk.green-garden.ru/public_html/bitrix/header.php:1
#8: require(string)
	/home/c/cf64997/uk.green-garden.ru/public_html/documents/index.php:2
#9: include_once(string)
	/home/c/cf64997/uk.green-garden.ru/public_html/bitrix/modules/main/include/urlrewrite.php:159
#10: include_once(string)
	/home/c/cf64997/uk.green-garden.ru/public_html/bitrix/urlrewrite.php:2