[Bitrix\Main\DB\SqlQueryException] 
Mysql query error: (2006) MySQL server has gone away (400)
DELETE FROM b_composite_page WHERE ID IN (2120391,2120392,2120393,2120394,2120395,2120396,2120397,2120398,2120399,2120400,2120401,2120402,2120403,2120404,2120405,2120406,2120407,2120408,2120409,2120410,2120411,2120412,2120413,2120414,2120415,2120416,2120417,2120418,2120419,2120420,2120421,2120422,2120423,2120424,2120425,2120426,2120427,2120428,2120429,2120430,2120431,2120432,2120433,2120434,2120435,2120436,2120437,2120438,2120439,2120440,2120441,2120442,2120443,2120444,2120445,2120448,2120457,2120463,2120446,2120460,2120461,2120453,2120454,2120456,2120449,2120447,2120450,2120458,2120462,2120451,2120455,2120459,2120464,2120465,2120466,2120467,2120468,2120469,2120470,2120471,2120472,2120473,2120474,2120475,2120476,2120477,2120478,2120479,2120480,2120481,2120482,2120483,2120484,2120485,2120486,2120487,2120488,2120489,2120490,2120491)
/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, NULL)
	/home/bitrix/www/bitrix/modules/main/lib/db/connection.php:379
#2: Bitrix\Main\DB\Connection->queryExecute(string)
	/home/bitrix/www/bitrix/modules/main/lib/composite/internals/model/page.php:186
#3: Bitrix\Main\Composite\Internals\Model\PageTable::deleteBatch(array)
	/home/bitrix/www/bitrix/modules/main/lib/composite/engine.php:831
#4: Bitrix\Main\Composite\Engine::ensureFileQuota(integer)
	/home/bitrix/www/bitrix/modules/main/lib/composite/engine.php:485
#5: Bitrix\Main\Composite\Engine::processPageContent(string)
	/home/bitrix/www/bitrix/modules/main/lib/composite/engine.php:422
#6: Bitrix\Main\Composite\Engine::endBuffering(string, string)
	/home/bitrix/www/bitrix/modules/main/classes/general/main.php:3199
#7: CAllMain->EndBufferContent(string)
	/home/bitrix/www/bitrix/modules/main/classes/general/main.php:3143
#8: CAllMain->EndBufferContentMan()
	/home/bitrix/www/bitrix/modules/main/include/epilog_after.php:39
#9: require(string)
	/home/bitrix/www/bitrix/modules/main/include/epilog.php:3
#10: require_once(string)
	/home/bitrix/www/bitrix/footer.php:4
#11: require(string)
	/home/bitrix/ext_www/uosago.ru/servisy/kalkulyator-osago/results/index.php:106
#12: include_once(string)
	/home/bitrix/www/bitrix/modules/main/include/urlrewrite.php:159
#13: include_once(string)
	/home/bitrix/www/bitrix/urlrewrite.php:2