dotproject: table dotproject.user_preferences does not exist

After upgrade dotproject to the latest version 2.1.7, got the error:

query failed(SELECT pref_name, pref_value FROM `user_preferences` WHERE pref_user = 0) - error was: Table 'dotproject.user_preferences' doesn't exist

The solution is:

1. run the web installer: http://mydomain.com/dotproject/install/
2. Click on Start Upgrade to proceed.

See also

• Installing dotproject