Программа конференции

[ArgumentCountError] 
Too few arguments to function CConference::GetConfUsersLikeRights(), 0 passed in /home/bitrix/www/bitrix/components/bitrix/conf.agenda.list/component.php on line 897 and exactly 1 expected (0)
/home/bitrix/www/bitrix/modules/conference/classes/general/conference.php:313
#0: CConference::GetConfUsersLikeRights()
	/home/bitrix/www/bitrix/components/bitrix/conf.agenda.list/component.php:897
#1: include(string)
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:594
#2: CBitrixComponent->__includeComponent()
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:653
#3: CBitrixComponent->includeComponent(string, array, object)
	/home/bitrix/www/bitrix/modules/main/classes/general/main.php:1038
#4: CAllMain->IncludeComponent(string, string, array, object)
	/home/bitrix/www/bitrix/templates/social_s1_conf2018/components/bitrix/conf.agenda/agenda_table_conf2013/agenda.php:35
#5: include(string)
	/home/bitrix/www/bitrix/modules/main/classes/general/component_template.php:725
#6: CBitrixComponentTemplate->__IncludePHPTemplate(array, array, string)
	/home/bitrix/www/bitrix/modules/main/classes/general/component_template.php:820
#7: CBitrixComponentTemplate->IncludeTemplate(array)
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:735
#8: CBitrixComponent->showComponentTemplate()
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:683
#9: CBitrixComponent->includeComponentTemplate(string)
	/home/bitrix/www/bitrix/components/bitrix/conf.agenda/component.php:86
#10: include(string)
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:594
#11: CBitrixComponent->__includeComponent()
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:653
#12: CBitrixComponent->includeComponent(string, array, boolean)
	/home/bitrix/www/bitrix/modules/main/classes/general/main.php:1038
#13: CAllMain->IncludeComponent(string, string, array, boolean)
	/home/bitrix/www/conf2018/agenda/index.php:83