[Error] 
Call to undefined method Bitrix\Main\DB\MysqliSqlHelper::getConditionalAssignment() (0)
/home/v/vgamaga1/crm.smkab.online/public_html/bitrix/modules/im/lib/model/chatindex.php:99
#0: Bitrix\Im\Model\ChatIndexTable::merge(array)
	/home/v/vgamaga1/crm.smkab.online/public_html/bitrix/modules/im/lib/model/chat.php:237
#1: Bitrix\Im\Model\ChatTable::indexRecord(object)
	/home/v/vgamaga1/crm.smkab.online/public_html/bitrix/modules/im/classes/general/im_chat.php:4077
#2: CIMChat::index(string)
	/home/v/vgamaga1/crm.smkab.online/public_html/bitrix/modules/im/lib/update/chatindex.php:77
#3: Bitrix\Im\Update\ChatIndex->execute(array)
	/home/v/vgamaga1/crm.smkab.online/public_html/bitrix/modules/main/lib/update/stepper.php:152
#4: Bitrix\Main\Update\Stepper::execAgent()
	/home/v/vgamaga1/crm.smkab.online/public_html/bitrix/modules/main/classes/mysql/agent.php(166) : eval()'d code:1
#5: eval
	/home/v/vgamaga1/crm.smkab.online/public_html/bitrix/modules/main/classes/mysql/agent.php:166
#6: CAgent::ExecuteAgents()
	/home/v/vgamaga1/crm.smkab.online/public_html/bitrix/modules/main/classes/mysql/agent.php:21
#7: CAgent::CheckAgents()
	
#8: call_user_func_array(array, array)
	/home/v/vgamaga1/crm.smkab.online/public_html/bitrix/modules/main/lib/application.php:711
#9: Bitrix\Main\Application->runBackgroundJobs()
	/home/v/vgamaga1/crm.smkab.online/public_html/bitrix/modules/main/lib/application.php:305
#10: Bitrix\Main\Application->terminate(integer)
	/home/v/vgamaga1/crm.smkab.online/public_html/bitrix/modules/main/lib/application.php:272
#11: Bitrix\Main\Application->end()
	/home/v/vgamaga1/crm.smkab.online/public_html/bitrix/modules/main/classes/general/main.php:3526
#12: CAllMain::FinalActions(string)
	/home/v/vgamaga1/crm.smkab.online/public_html/bitrix/modules/main/include/epilog_after.php:58
#13: require(string)
	/home/v/vgamaga1/crm.smkab.online/public_html/bitrix/modules/main/include/epilog.php:3
#14: require_once(string)
	/home/v/vgamaga1/crm.smkab.online/public_html/bitrix/footer.php:4
#15: require(string)
	/home/v/vgamaga1/smkab.online/public_html/catalog/index.php:869
#16: include_once(string)
	/home/v/vgamaga1/crm.smkab.online/public_html/bitrix/modules/main/include/urlrewrite.php:174
#17: include_once(string)
	/home/v/vgamaga1/crm.smkab.online/public_html/bitrix/urlrewrite.php:2
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