Exception class: PDOException()

SQLSTATE[42S22]: Column not found: 1054 Unknown column 'hidden' in 'field list'

File: C:\xampp\htdocs\system\libs\pot\OTS_Base_DB.php
Line: 86


Backtrace:

#0 C:\xampp\htdocs\system\libs\pot\OTS_Base_DB.php(86): PDO->query('SELECT `id`, `t...', NULL)
#1 C:\xampp\htdocs\system\libs\pot\OTS_DB_PDOQuery_PHP71.php(10): OTS_Base_DB->doQuery('SELECT `id`, `t...', NULL)
#2 C:\xampp\htdocs\system\functions.php(1188): OTS_Base_DB->query('SELECT `id`, `t...')
#3 C:\xampp\htdocs\index.php(329): getCustomPage('downloadclient', false)
#4 {main}