Авторизация

[TypeError] 
call_user_func_array(): Argument #1 ($callback) must be a valid callback, non-static method CSocServDescription::GetDescription() cannot be called statically (0)
/home/bitrix/ext_www/informer.com.ua/bitrix/modules/main/classes/general/module.php:465
#0: ExecuteModuleEventEx
	/home/bitrix/ext_www/informer.com.ua/bitrix/modules/socialservices/classes/general/authmanager.php:29
#1: CSocServAuthManager->__construct
	/home/bitrix/ext_www/informer.com.ua/bitrix/components/bitrix/system.auth.authorize/component.php:94
#2: include(string)
	/home/bitrix/ext_www/informer.com.ua/bitrix/modules/main/classes/general/component.php:605
#3: CBitrixComponent->__includeComponent
	/home/bitrix/ext_www/informer.com.ua/bitrix/modules/main/classes/general/component.php:680
#4: CBitrixComponent->includeComponent
	/home/bitrix/ext_www/informer.com.ua/bitrix/modules/main/classes/general/main.php:1063
#5: CAllMain->IncludeComponent
	/home/bitrix/ext_www/informer.com.ua/bitrix/modules/main/classes/general/main.php:297
#6: CAllMain->AuthForm
	/home/bitrix/ext_www/informer.com.ua/bitrix/components/bitrix/forum/templates/.default/auth.php:2
#7: include(string)
	/home/bitrix/ext_www/informer.com.ua/bitrix/modules/main/classes/general/component_template.php:789
#8: CBitrixComponentTemplate->__IncludePHPTemplate
	/home/bitrix/ext_www/informer.com.ua/bitrix/modules/main/classes/general/component_template.php:884
#9: CBitrixComponentTemplate->IncludeTemplate
	/home/bitrix/ext_www/informer.com.ua/bitrix/modules/main/classes/general/component.php:764
#10: CBitrixComponent->showComponentTemplate
	/home/bitrix/ext_www/informer.com.ua/bitrix/modules/main/classes/general/component.php:712
#11: CBitrixComponent->includeComponentTemplate
	/home/bitrix/ext_www/informer.com.ua/bitrix/components/bitrix/forum/component.php:130
#12: include(string)
	/home/bitrix/ext_www/informer.com.ua/bitrix/modules/main/classes/general/component.php:605
#13: CBitrixComponent->__includeComponent
	/home/bitrix/ext_www/informer.com.ua/bitrix/modules/main/classes/general/component.php:680
#14: CBitrixComponent->includeComponent
	/home/bitrix/ext_www/informer.com.ua/bitrix/modules/main/classes/general/main.php:1063
#15: CAllMain->IncludeComponent
	/home/bitrix/ext_www/informer.com.ua/forum/index.php:4