[Bitrix\Main\DB\SqlQueryException] 
Mysql query error: (2006) MySQL server has gone away (400)
DELETE FROM b_composite_page WHERE ID IN (20669916,20669917,20669918,20669921,20669920,20669919,20669922,20669923,20669924,20669926,20669927,20669928,20669929,20669930,20669931,20669932,20669933,20669934,20669935,20669936,20669937,20669938,20629370,20669939,20669940,20669941,20669942,20669943,20669944,20669945,20669946,20669947,20669948,20669949,20669950,20669951,20669952,20669953,20669954,20669955,20669956,20669957,20669958,20669959,20669960,20669961,20669962,20669963,20669965,20669966,20669967,20669968,20669969,20669970,20669971,20669973,20669974,20669975,20669976,20669977,20669978,20669979,20669980,20669981,20669982,20669983,20669984,20669985,20669986,20669987,20669988,20669989,20669990,20669991,20669992,20669993,20669994,20669995,20669996,20669997,20669998,20669999,20670000,20670001,20670002,20670003,20670004,20670005,20670006,20670007,20670008,20670009,20670010,20670011,20670012,20670013,20670014,20670015,20670016,20670017)
/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:3196
#7: CAllMain->EndBufferContent(string)
	/home/bitrix/www/bitrix/modules/main/classes/general/main.php:3140
#8: CAllMain->EndBufferContentMan()
	/home/bitrix/www/bitrix/modules/main/include/epilog_after.php:36
#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/www/news/index.php:110
#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