[Bitrix\Main\DB\SqlQueryException] 
Mysql query error: (2006) MySQL server has gone away (400)
DELETE FROM b_composite_page WHERE ID IN (133783,133784)
/home/bitrix/ext_www/bfla.eu/bitrix/modules/main/lib/db/mysqliconnection.php:146
#0: Bitrix\Main\DB\MysqliConnection->queryInternal(string, array, NULL)
	/home/bitrix/ext_www/bfla.eu/bitrix/modules/main/lib/db/connection.php:327
#1: Bitrix\Main\DB\Connection->query(string, NULL)
	/home/bitrix/ext_www/bfla.eu/bitrix/modules/main/lib/db/connection.php:376
#2: Bitrix\Main\DB\Connection->queryExecute(string)
	/home/bitrix/ext_www/bfla.eu/bitrix/modules/main/lib/composite/internals/model/page.php:186
#3: Bitrix\Main\Composite\Internals\Model\PageTable::deleteBatch(array)
	/home/bitrix/ext_www/bfla.eu/bitrix/modules/main/lib/composite/engine.php:833
#4: Bitrix\Main\Composite\Engine::ensureFileQuota(integer)
	/home/bitrix/ext_www/bfla.eu/bitrix/modules/main/lib/composite/engine.php:847
#5: Bitrix\Main\Composite\Engine::ensureFileQuota(integer)
	/home/bitrix/ext_www/bfla.eu/bitrix/modules/main/lib/composite/engine.php:488
#6: Bitrix\Main\Composite\Engine::processPageContent(string)
	/home/bitrix/ext_www/bfla.eu/bitrix/modules/main/lib/composite/engine.php:425
#7: Bitrix\Main\Composite\Engine::endBuffering(string, string)
	/home/bitrix/ext_www/bfla.eu/bitrix/modules/main/classes/general/main.php:3239
#8: CAllMain->EndBufferContent(string)
	/home/bitrix/ext_www/bfla.eu/bitrix/modules/main/classes/general/main.php:3182
#9: CAllMain->EndBufferContentMan()
	/home/bitrix/ext_www/bfla.eu/bitrix/modules/main/include/epilog_after.php:43
#10: require(string)
	/home/bitrix/ext_www/bfla.eu/bitrix/modules/main/include/epilog.php:3
#11: require_once(string)
	/home/bitrix/ext_www/bfla.eu/bitrix/footer.php:4
#12: require(string)
	/home/bitrix/ext_www/bfla.eu/by/competition/premii/detail.php:34
#13: include_once(string)
	/home/bitrix/ext_www/bfla.eu/bitrix/modules/main/include/urlrewrite.php:160
#14: include_once(string)
	/home/bitrix/ext_www/bfla.eu/bitrix/urlrewrite.php:2