Error: Error: MySQL server has gone away<br/>Error No: 2006<br/>SELECT * FROM `oc_category` `c` LEFT JOIN `oc_category_description` `cd` ON (`c`.`category_id` = `cd`.`category_id`) LEFT JOIN `oc_category_to_store` `c2s` ON (`c`.`category_id` = `c2s`.`category_id`) WHERE `cd`.`language_id` = '2' AND `c2s`.`store_id` = '0' AND `c`.`status` = '1' ORDER BY `c`.`sort_order`, `cd`.`name`
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/catalog/model/catalog/category.php
Line: 123
Class: Opencart\System\Library\DB
Function: query

Backtrace: 2
File: /var/www/html/catalog/model/catalog/category.php
Line: 30
Class: Opencart\Catalog\Model\Catalog\Category
Function: getCache

Backtrace: 3
File: /var/www/html/system/engine/loader.php
Line: 343
Class: Opencart\Catalog\Model\Catalog\Category
Function: getCategory

Backtrace: 4
File: /var/www/html/system/engine/proxy.php
Line: 87
Class: Opencart\System\Engine\Loader
Function: Opencart\System\Engine\{closure}

Backtrace: 5
File: /var/www/html/catalog/controller/product/category.php
Line: 60
Class: Opencart\System\Engine\Proxy
Function: __call

Backtrace: 6
File: /var/www/html/system/engine/action.php
Line: 96
Class: Opencart\Catalog\Controller\Product\Category
Function: index

Backtrace: 7
File: /var/www/html/system/framework.php
Line: 259
Class: Opencart\System\Engine\Action
Function: execute

Backtrace: 8
File: /var/www/html/index.php
Line: 20
Function: require_once

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<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` = '1b2b9cb430473049164a00c78e', `data` = '{\&quot;currency\&quot;:\&quot;AZN\&quot;,\&quot;jrv\&quot;:[120615,154872,123035,21586,157582,133799,143100,39540,151955,123059,19491],\&quot;review_token\&quot;:\&quot;22a25a84e5c8b9dce5106f226d00b3d2\&quot;,\&quot;api_id\&quot;:\&quot;journal3_popup_73581f3ba1\&quot;,\&quot;upload_token\&quot;:\&quot;3bf5464ed0cfc910df7ce9c879a3e6f4\&quot;}', `expire` = '2025-11-01 10:17:30' 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('1b2b9cb43047304...', 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 />