Possible causes of errors
Please check your MySQL configuration in zb_users/c_option.php, or check the MySQL connection information that you just fill.
And your MySQL database has been successfully started?
If you are a visitor, this may be something happened. Please try again later, or contact the webmaster.
If you are the webmaster, You can click on
[more] to get more help from Z-Blog Wiki(Chinese only). Therefore, to publish a thread in English in
Z-Blog official forum with detailed error description and screenshots for help is a choice.