[Bitrix\Main\DB\SqlQueryException] 
Mysql query error: (2006) MySQL server has gone away (400)

				SELECT TAG
				FROM b_cache_tag
				WHERE SITE_ID = 's1'
				AND CACHE_SALT = '/21f'
				AND RELATIVE_PATH = '/Model/Product'
			
/home/bonafide/web/bonafide.ru/public_html/bitrix/modules/main/lib/db/mysqliconnection.php:137
#0: Bitrix\Main\DB\MysqliConnection->queryInternal(string, array, NULL)
	/home/bonafide/web/bonafide.ru/public_html/bitrix/modules/main/lib/db/connection.php:330
#1: Bitrix\Main\DB\Connection->query(string)
	/home/bonafide/web/bonafide.ru/public_html/bitrix/modules/main/lib/data/taggedcache.php:51
#2: Bitrix\Main\Data\TaggedCache->initDbCache(string)
	/home/bonafide/web/bonafide.ru/public_html/bitrix/modules/main/lib/data/taggedcache.php:98
#3: Bitrix\Main\Data\TaggedCache->endTagCache()
	/home/bonafide/web/bonafide.ru/public_html/vendor/webarchitect609/bitrix-cache/src/main/BitrixCache.php:314
#4: WebArch\BitrixCache\BitrixCache->endTagCache()
	/home/bonafide/web/bonafide.ru/public_html/vendor/webarchitect609/bitrix-cache/src/main/BitrixCache.php:125
#5: WebArch\BitrixCache\BitrixCache->execute()
	/home/bonafide/web/bonafide.ru/public_html/vendor/webarchitect609/bitrix-cache/src/main/BitrixCache.php:70
#6: WebArch\BitrixCache\BitrixCache->resultOf(object)
	/home/bonafide/web/bonafide.ru/public_html/local/components/bf/product.snippet/class.php:72
#7: BF\Components\ProductSnippetComponent->executeComponent()
	/home/bonafide/web/bonafide.ru/public_html/bitrix/modules/main/classes/general/component.php:638
#8: CBitrixComponent->includeComponent(string, array, NULL)
	/home/bonafide/web/bonafide.ru/public_html/bitrix/modules/main/classes/general/main.php:1043
#9: CAllMain->IncludeComponent(string, string, array)
	/home/bonafide/web/bonafide.ru/public_html/ajax/catalog/preview-product.php:3