Error: Error: MySQL server has gone away<br/>Error No: 2006<br/>SELECT * FROM `oc_currency`
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/currency.php
Line: 31
Class: Opencart\System\Library\DB
Function: query

Backtrace: 2
File: /var/www/html/catalog/controller/startup/currency.php
Line: 49
Class: Opencart\System\Library\Cart\Currency
Function: __construct

Backtrace: 3
File: /var/www/html/system/engine/action.php
Line: 96
Class: Opencart\Catalog\Controller\Startup\Currency
Function: index

Backtrace: 4
File: /var/www/html/system/framework.php
Line: 208
Class: Opencart\System\Engine\Action
Function: execute

Backtrace: 5
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` = '341739d82ef4871c5109813aef', `data` = '{\&quot;currency\&quot;:\&quot;AZN\&quot;,\&quot;jrv\&quot;:[61539,145674,120295,91986,92879,108720,60604,20159,120210,50645,24621,76693,155166,79783,63957,88295,144832,67858,75734,77664],\&quot;review_token\&quot;:\&quot;958faaf00e7e3d89dedd2532f0d801da\&quot;,\&quot;api_id\&quot;:\&quot;journal3_popup_a0ca0d5854\&quot;,\&quot;upload_token\&quot;:\&quot;dc0f7a36a012e688808727fa80e90626\&quot;}', `expire` = '2025-12-18 09:27:54' 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('341739d82ef4871...', 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 />