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` = '414913c2ae24c1bc7bd7673981', `data` = '{\&quot;currency\&quot;:\&quot;AZN\&quot;,\&quot;jrv\&quot;:[61730,101462,65066,7572,92616,28414,159187,36579,5801,123839,35553,14797,51669,122542,132413,125566,150137,10311,157058,85438],\&quot;review_token\&quot;:\&quot;40ba38b9fa84198bfb69f132c206ccc1\&quot;,\&quot;api_id\&quot;:\&quot;journal3_popup_9891f456ae\&quot;,\&quot;upload_token\&quot;:\&quot;f19b8ab70ab0a623dbd35e28b843b381\&quot;}', `expire` = '2025-11-03 06:07:12' 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('414913c2ae24c1b...', 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 />