This is my wp configuration define('DB_NAME',

This is my wp configuration
define('DB_NAME', 'blogplex_wordpress');
define('DB_USER', 'blogplex_worpre');
define('DB_PASSWORD', 'xxxxxxxxxxxxxxx');
define('DB_HOST', 'localhost');
define('DB_CHARSET', 'utf8');
define('DB_COLLATE', '');

I was able to make databases
But when i try to add server with add_db_serveri get #1064 - You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'add_db_server

where am i wrong ?