[Bitrix\Main\DB\SqlQueryException] 
Mysql query error: (2006) MySQL server has gone away (400)
SELECT 
	`main_composite_internals_model_page`.`ID` AS `ID`,
	`main_composite_internals_model_page`.`CACHE_KEY` AS `CACHE_KEY`,
	`main_composite_internals_model_page`.`HOST` AS `HOST`,
	`main_composite_internals_model_page`.`URI` AS `URI`,
	`main_composite_internals_model_page`.`TITLE` AS `TITLE`,
	`main_composite_internals_model_page`.`CREATED` AS `CREATED`,
	`main_composite_internals_model_page`.`CHANGED` AS `CHANGED`,
	`main_composite_internals_model_page`.`LAST_VIEWED` AS `LAST_VIEWED`,
	`main_composite_internals_model_page`.`VIEWS` AS `VIEWS`,
	`main_composite_internals_model_page`.`REWRITES` AS `REWRITES`,
	`main_composite_internals_model_page`.`SIZE` AS `SIZE`
FROM `b_composite_page` `main_composite_internals_model_page` 

WHERE `main_composite_internals_model_page`.`CACHE_KEY` = '/uosago.ru/servisy/kalkulyator-osago/results/1745304/javascript.void(0);/index@.html'
ORDER BY `ID` ASC
/home/bitrix/www/bitrix/modules/main/lib/db/mysqliconnection.php:137
#0: Bitrix\Main\DB\MysqliConnection->queryInternal(string, array, NULL)
	/home/bitrix/www/bitrix/modules/main/lib/db/connection.php:330
#1: Bitrix\Main\DB\Connection->query(string)
	/home/bitrix/www/bitrix/modules/main/lib/orm/query/query.php:3357
#2: Bitrix\Main\ORM\Query\Query->query(string)
	/home/bitrix/www/bitrix/modules/main/lib/orm/query/query.php:825
#3: Bitrix\Main\ORM\Query\Query->exec()
	/home/bitrix/www/bitrix/modules/main/lib/orm/data/datamanager.php:500
#4: Bitrix\Main\ORM\Data\DataManager::getList(array)
	/home/bitrix/www/bitrix/modules/main/lib/composite/internals/pagemanager.php:73
#5: Bitrix\Main\Composite\Internals\PageManager::getByCacheKey(string)
	/home/bitrix/www/bitrix/modules/main/lib/composite/internals/pagemanager.php:42
#6: Bitrix\Main\Composite\Internals\PageManager::register(string, array)
	/home/bitrix/www/bitrix/modules/main/lib/composite/engine.php:504
#7: Bitrix\Main\Composite\Engine::processPageContent(string)
	/home/bitrix/www/bitrix/modules/main/lib/composite/engine.php:422
#8: Bitrix\Main\Composite\Engine::endBuffering(string, string)
	/home/bitrix/www/bitrix/modules/main/classes/general/main.php:3199
#9: CAllMain->EndBufferContent(string)
	/home/bitrix/www/bitrix/modules/main/classes/general/main.php:3143
#10: CAllMain->EndBufferContentMan()
	/home/bitrix/www/bitrix/modules/main/include/epilog_after.php:39
#11: require(string)
	/home/bitrix/www/bitrix/modules/main/include/epilog.php:3
#12: require_once(string)
	/home/bitrix/www/bitrix/footer.php:4
#13: require(string)
	/home/bitrix/ext_www/uosago.ru/servisy/kalkulyator-osago/results/index.php:106
#14: include_once(string)
	/home/bitrix/www/bitrix/modules/main/include/urlrewrite.php:159
#15: 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('DELETE FROM `b_...', Array, NULL) #1 /home/bitrix/www/bitrix/modules/main/lib/db/connection.php(379): Bitrix\Main\DB\Connection->query('DELETE FROM `b_...', NULL) #2 /home/bitrix/www/bitrix/modules/main/lib/orm/data/datamanager.php(1624): Bitrix\Main\DB\Connection->queryExecute('DELETE FROM `b_...') #3 /home/bitrix/www/bitrix/modules/security/classes/general/session_db.php(100): Bitrix\Main\ORM\Data\DataManager::delete(Array) #4 /home/bitrix/www/bitrix/modules/security/classes/general/session_handler.php(28): CSecuritySessionDB::write('NuMToGLojH6Ikq3...', 'SESS_AUTH|a:1:{...') #5 [internal function]: CSecuritySessionHandler->write('NuMToGLojH6Ikq3...', 'SESS_AUTH|a:1:{...') #6 [internal function]: session_write_close in /home/bitrix/www/bitrix/modules/main/lib/db/mysqliconnection.php on line 137