Error: Error: MySQL server has gone away<br/>Error No: 2006<br/>SELECT * FROM `oc_cart` WHERE `store_id` = '0' AND `customer_id` = '0' AND `session_id` = 'a6cb5edb265358c58278bc4062'
File: /var/www/html/system/library/db/mysqli.php
Line: 122

Backtrace: 0
File: /var/www/html/system/library/db.php
Line: 63
Class: Opencart\System\Library\DB\MySQLi
Function: query

Backtrace: 1
File: /var/www/html/system/library/cart/cart.php
Line: 77
Class: Opencart\System\Library\DB
Function: query

Backtrace: 2
File: /var/www/html/system/library/cart/cart.php
Line: 453
Class: Opencart\System\Library\Cart\Cart
Function: getProducts

Backtrace: 3
File: /var/www/html/extension/opencart/catalog/model/total/sub_total.php
Line: 23
Class: Opencart\System\Library\Cart\Cart
Function: getSubTotal

Backtrace: 4
File: /var/www/html/system/engine/loader.php
Line: 343
Class: Opencart\Catalog\Model\Extension\Opencart\Total\SubTotal
Function: getTotal

Backtrace: 5
File: /var/www/html/catalog/model/checkout/cart.php
Line: 119
Class: Opencart\System\Engine\Loader
Function: Opencart\System\Engine\{closure}

Backtrace: 6
File: /var/www/html/system/engine/loader.php
Line: 343
Class: Opencart\Catalog\Model\Checkout\Cart
Function: getTotals

Backtrace: 7
File: /var/www/html/catalog/controller/common/cart.php
Line: 31
Class: Opencart\System\Engine\Loader
Function: Opencart\System\Engine\{closure}

Backtrace: 8
File: /var/www/html/system/engine/loader.php
Line: 112
Class: Opencart\Catalog\Controller\Common\Cart
Function: index

Backtrace: 9
File: /var/www/html/catalog/controller/common/header.php
Line: 102
Class: Opencart\System\Engine\Loader
Function: controller

Backtrace: 10
File: /var/www/html/system/engine/loader.php
Line: 112
Class: Opencart\Catalog\Controller\Common\Header
Function: index

Backtrace: 11
File: /var/www/html/catalog/controller/product/product.php
Line: 489
Class: Opencart\System\Engine\Loader
Function: controller

Backtrace: 12
File: /var/www/html/system/engine/action.php
Line: 96
Class: Opencart\Catalog\Controller\Product\Product
Function: index

Backtrace: 13
File: /var/www/html/system/framework.php
Line: 259
Class: Opencart\System\Engine\Action
Function: execute

Backtrace: 14
File: /var/www/html/index.php
Line: 20
Function: require_once

<br />
<b>Fatal error</b>:  Uncaught Exception: Error: MySQL server has gone away&lt;br/&gt;Error No: 2006&lt;br/&gt;REPLACE INTO `oc_session` SET `session_id` = 'a6cb5edb265358c58278bc4062', `data` = '{\&quot;currency\&quot;:\&quot;AZN\&quot;,\&quot;jrv\&quot;:[119033,96100,118804,89028,115480,5945,118516],\&quot;review_token\&quot;:\&quot;18709af996756a131ba7e977b5629573\&quot;,\&quot;api_id\&quot;:\&quot;journal3_popup_c88d9eeb8b\&quot;,\&quot;upload_token\&quot;:\&quot;6939b2911b570381effc2ec5487bffd5\&quot;}', `expire` = '2025-12-03 03:22:20' in /var/www/html/system/library/db/mysqli.php:122
Stack trace:
#0 /var/www/html/system/library/db.php(63): Opencart\System\Library\DB\MySQLi-&gt;query('REPLACE INTO `o...')
#1 /var/www/html/system/library/session/db.php(63): Opencart\System\Library\DB-&gt;query('REPLACE INTO `o...')
#2 /var/www/html/system/library/session.php(89): Opencart\System\Library\Session\DB-&gt;write('a6cb5edb265358c...', Array)
#3 [internal function]: Opencart\System\Library\Session-&gt;close()
#4 {main}
  thrown in <b>/var/www/html/system/library/db/mysqli.php</b> on line <b>122</b><br />