#1193 - Unknown system variable 'lc_messages' when trying to login to phpmyadmin

Question

I have recently installed MySQL and phpMyAdmin, but when I try to login to phpMyAdmin with the root credentials I get the following error for this query:

SQL query:<

Answer 1

I faced the same problem. Check your mySQL version:

For mySQL 5.5, use phpMyAdmin 4.4.x and above

For mySQL 5.1, use phpMyAdmin 4.0.x

Hope this helps someone.

Answer 2

I had the same problem and here is how I fixed it:

1. Upgraded mysql to latest version: http://www.tecmint.com/install-latest-mysql-on-rhel-centos-and-fedora/

2. After the upgrade mysql service couldn't start. Here's the fix:
   mysqld_safe --skip-grant-tables
   mysql_upgrade

Answer 3

I followed Krashan Brahmanjara's instructions. And I deleted

    if (! empty($locale)) { $this->query("SET lc_messages = '" . $locale . "';", $link, self::QUERY_STORE);
}

I also deleted if ($GLOBAL

Answer 4

It isn't true. PhpMyAdmin can work with older Mysql as always.

Quick fix is easy

• in /usr/share/phpMyAdmin/libraries/common.inc.php delete these lines

if (PMA_MYSQL_INT_VERSION < $cfg['MysqlMinVersion']['internal']) {
  PMA_fatalError(
    __('You should upgrade to %s %s or later.'),
    array('MySQL', $cfg['MysqlMinVersion']['human'])
  );
}

or

• in /usr/share/phpMyAdmin/libraries/classes/DatabaseInterface.php delete these lines

if (! empty($locale)) {
  $this->query("SET lc_messages = '" . $locale . "';", $link, self::QUERY_STORE);
}

Reference https://github.com/phpmyadmin/phpmyadmin/issues/12822

Answer 5

I found that I had an older version of phpmyadmin and the error was because of a change they had made to PHP 7.

If your running any version of php 5.5 or higher you will get this error unless you update your phpmyadmin.

Answer 6

Uninstall your mysql version and all dependencies. To see all your mysql and dependencies packages installeds try this command:

- rpm -qa | grep mysql

For uninstall:

- yum erase mysql
- yum erase mysqlPackageDependencie
...

When all dependencies are uninstalled install the new mysql version:

- yum install mysql55-server

Start your Service Mysql:

- service mysqld start

Great! All works perfect now! :)