[Bitrix\Main\DB\SqlQueryException] 
Mysql query error: (2006) MySQL server has gone away (400)
DELETE FROM b_composite_page WHERE ID IN (30651307,30603068,30651308,30651309,30651310,30651311,30651312,30651313,30651314,30651315,30651316,30651317,30651318,30651319,30651320,30651321,30651322,30651323,30651324,30651325,30651326,30651327,30651328,30651329,30651330,30651331,30651332,30651333,30651334,30651335,30651337,30651338,30651339,30651340,30651341,30651342,30651343,30651344,30651345,30651346,30651347,30651349,30651350,30651351,30651352,30651353,30651354,30651355,30651356,30651357,30651358,30651359,30651360,30651361,30651362,30651363,30651364,30651365,30651366,30651367,30651368,30651369,30651370,30651371,30651372,30651373,30651374,30651375,30651376,30651377,30651378,30651379,30651380,30598954,30651381,30651382,30651383,30651384,30651385,30651386,30651387,30651388,30651389,30651390,30651391,30651392,30651393,30651394,30651395,30651396,30651397,30598933,30651398,30651399,30651400,30651401,30651402,30651403,30651404,30651405)
/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/watch/index.php:108
#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