[ParseError] 
syntax error, unexpected ''a:2:{s:7:"CONTENT";s:2:"' (T_ENCAPSED_AND_WHITESPACE) (0)
/home/bitrix/www/bitrix/cache/abtest/3c/3caf443cf57f6fb632df7f167cdb7c7b.php:5
#0: Bitrix\Main\Data\CacheEngineFiles->read(array, string, string, string, integer)
	/home/bitrix/www/bitrix/modules/main/lib/data/cache.php:303
#1: Bitrix\Main\Data\Cache->initCache(integer, string, string, string)
	/home/bitrix/www/bitrix/modules/main/classes/general/cache.php:50
#2: CPHPCache->InitCache(integer, string, string)
	/home/bitrix/www/bitrix/modules/abtest/lib/helper.php:28
#3: Bitrix\ABTest\Helper::getActiveTest()
	/home/bitrix/www/bitrix/modules/abtest/lib/helper.php:126
#4: Bitrix\ABTest\Helper::getContext()
	/home/bitrix/www/bitrix/modules/abtest/lib/eventhandler.php:37
#5: Bitrix\ABTest\EventHandler::onGetCurrentSiteTemplate(object)
	
#6: call_user_func_array(array, array)
	/home/bitrix/www/bitrix/modules/main/lib/eventmanager.php:435
#7: Bitrix\Main\EventManager->sendToEventHandler(array, object)
	/home/bitrix/www/bitrix/modules/main/lib/eventmanager.php:371
#8: Bitrix\Main\EventManager->send(object)
	/home/bitrix/www/bitrix/modules/main/lib/event.php:142
#9: Bitrix\Main\Event->send()
	/home/bitrix/www/bitrix/modules/main/classes/general/main.php:4521
#10: CAllSite::GetCurTemplate()
	/home/bitrix/www/bitrix/modules/main/include.php:535
#11: require_once(string)
	/home/bitrix/www/bitrix/modules/main/include/prolog_before.php:14
#12: require_once(string)
	/home/bitrix/www/bitrix/modules/main/include/prolog.php:10
#13: require_once(string)
	/home/bitrix/www/bitrix/header.php:1
#14: require(string)
	/home/bitrix/www/catalog/tires/index.php:2
#15: include_once(string)
	/home/bitrix/www/bitrix/modules/main/include/urlrewrite.php:159
#16: include_once(string)
	/home/bitrix/www/bitrix/urlrewrite.php:2

Fatal error: Uncaught Bitrix\Main\DB\SqlQueryException: Mysql query error: (2006) MySQL server has gone away in /home/bitrix/www/bitrix/modules/main/lib/db/mysqliconnection.php:137 Stack trace: #0 /home/bitrix/www/bitrix/modules/main/lib/db/connection.php(330): Bitrix\Main\DB\MysqliConnection->queryInternal('DO RELEASE_LOCK...', Array, NULL) #1 /home/bitrix/www/bitrix/modules/main/lib/db/connection.php(379): Bitrix\Main\DB\Connection->query('DO RELEASE_LOCK...', NULL) #2 /home/bitrix/www/bitrix/modules/security/lib/session.php(213): Bitrix\Main\DB\Connection->queryExecute('DO RELEASE_LOCK...') #3 /home/bitrix/www/bitrix/modules/security/classes/general/session_db.php(36): Bitrix\Security\SessionTable::unlock('OKjer0O86c411Eo...') #4 /home/bitrix/www/bitrix/modules/security/classes/general/session_handler.php(18): CSecuritySessionDB::close() #5 [internal function]: CSecuritySessionHandler->close() #6 [internal function]: session_write_close() #7 {main} thrown in /home/bitrix/www/bitrix/modules/main/lib/db/mysqliconnection.php on line 137