[mysqli_sql_exception] 
MySQL server has gone away (2006)
/home/bitrix/ext_www/informer.com.ua/bitrix/modules/main/classes/mysql/database_mysqli.php:49
#0: mysqli_query
	/home/bitrix/ext_www/informer.com.ua/bitrix/modules/main/classes/mysql/database_mysqli.php:49
#1: CDatabase->QueryInternal
	/home/bitrix/ext_www/informer.com.ua/bitrix/modules/main/classes/mysql/database.php:163
#2: CDatabaseMysql->Query
	/home/bitrix/ext_www/informer.com.ua/bitrix/modules/statistic/classes/mysql/statistic.php:37
#3: CStatistics::GetSessionDataByMD5
	/home/bitrix/ext_www/informer.com.ua/bitrix/modules/statistic/classes/general/keepstatistic.php:1108
#4: CKeepStatistics::RestoreSession
	/home/bitrix/ext_www/informer.com.ua/bitrix/modules/statistic/classes/general/keepstatistic.php:163
#5: CKeepStatistics::ReallyKeep
	/home/bitrix/ext_www/informer.com.ua/bitrix/modules/statistic/classes/general/keepstatistic.php:81
#6: CKeepStatistics::Keep
	/home/bitrix/ext_www/informer.com.ua/bitrix/modules/main/classes/general/module.php:480
#7: ExecuteModuleEventEx
	/home/bitrix/ext_www/informer.com.ua/bitrix/modules/main/include.php:8
#8: require_once(string)
	/home/bitrix/ext_www/informer.com.ua/bitrix/modules/main/include/prolog_before.php:14
#9: require_once(string)
	/home/bitrix/ext_www/informer.com.ua/bitrix/modules/main/include/prolog.php:10
#10: require_once(string)
	/home/bitrix/ext_www/informer.com.ua/bitrix/header.php:1
#11: require(string)
	/home/bitrix/ext_www/informer.com.ua/news/index.php:2
#12: include_once(string)
	/home/bitrix/ext_www/informer.com.ua/bitrix/modules/main/include/urlrewrite.php:163
#13: include_once(string)
	/home/bitrix/ext_www/informer.com.ua/bitrix/urlrewrite.php:2