Fatal error: Uncaught exception 'Exception' with message 'Error: MySQL server has gone away<br />Error No: 2006<br />UPDATE lg_product SET viewed = (viewed + 1) WHERE product_id = '645569'' in /sites/instrument-40.ru/html/system/storage/modification/system/library/db/mysqli.php:52 Stack trace: #0 /sites/instrument-40.ru/html/system/library/db.php(21): DB\MySQLi->query('UPDATE lg_produ...', Array) #1 /sites/instrument-40.ru/html/system/storage/modification/catalog/model/catalog/product.php(15): DB->query('UPDATE lg_produ...') #2 [internal function]: ModelCatalogProduct->updateViewed('645569') #3 /sites/instrument-40.ru/html/system/storage/modification/system/engine/loader.php(183): call_user_func_array(Array, Array) #4 [internal function]: Loader->{closure}(Array, Array) #5 /sites/instrument-40.ru/html/system/engine/proxy.php(30): call_user_func_array(Object(Closure), Array) #6 /sites/instrument-40.ru/html/system/storage/modification/catalog/controller/product/product.php(593): Proxy->__call('updateViewed', Array) #7 /site in /sites/instrument-40.ru/html/system/storage/modification/system/library/db/mysqli.php on line 52