[Error] 
Call to a member function IsAdmin() on null (0)
/www/wwwroot/mediasol.by/bitrix/templates/fortis_s3/footer.php:178
#0: require
	/www/wwwroot/mediasol.su/404.php:54
#1: require(string)
	/www/wwwroot/mediasol.by/bitrix/php_interface/init.php:13
#2: _Check404Error
	/www/wwwroot/mediasol.by/bitrix/modules/main/classes/general/module.php:465
#3: ExecuteModuleEventEx
	/www/wwwroot/mediasol.by/bitrix/modules/main/include/epilog_after.php:11
#4: require(string)
	/www/wwwroot/mediasol.by/bitrix/modules/main/include/epilog.php:3
#5: require_once(string)
	/www/wwwroot/mediasol.by/bitrix/footer.php:4
#6: require(string)
	/www/wwwroot/mediasol.su/uslugi/gotovye-resheniya/index.php:201
#7: include_once(string)
	/www/wwwroot/mediasol.by/bitrix/modules/main/include/urlrewrite.php:159
#8: include_once(string)
	/www/wwwroot/mediasol.by/bitrix/urlrewrite.php:2