Solved Error: FAILED Uncaught Exception: Duplicate entry

Hi guys! I downloaded your forum version 2.0.1 for my Joomla! 1.5.26, but installation failed with this error:

FAILED Uncaught Exception: Duplicate entry '-' for key 1 SQL=INSERT INTO `jos_kunena_aliases` (`alias`, `type`, `item`, `state`) VALUES ('-', 'catid', '1', 1), ('-', 'catid', '2', 1), ('-', 'catid', '3', 1);

Please help me with it.

Thx!

Hello,

Is it a clean install or do you have upgraded from a previous version ?

It's a clean install.

This doesn't make sense in a "clean installation" scenario. If I was in this situation, I would revert to the site backup taken before I attempted to install Kunena and try again; alternatively, I would drop all database tables with "kunena" in them and then try to install Kunena again. Failing both these avenues to rectify the situation, I would then try the " When all else fails, try this " approach, to establish if my hosted environment was "up to spec." as far as running a Kunena forum was concerned.

Same issue repeated on clear installation of Kunena 2.0.2 on Joomla with default language different from English.
This occure in filling localized sample data.
In my case, this was Russian sample data.
The error occured in sampledata.php rows 147 to 149.
KunenaRoute::stringURLSafe convert localized forum tittles into '-' symbol.

Is this a properly hosted environment or is the site hosted locally (on to your PC, for example)? What kind of database system (including version) are you using? PHP version and Joomla version, too, please.