More problem - Error adding new category to the database. Returned id was 0.

[wrang]

What about this error. It came up when i should do more category and get this
Error adding new category to the database. Returned id was 0.

The picture is in the server but it dosent show in the site

in the top of the page one more error says
Warning: mysql_fetch_row(): supplied argument is not a valid MySQL result resource in galleri/pp-inc.php on line 2931

[Chuck S]

Hello it might help here knowing what version of the software your using.

I would suggest you download and make sure you are running 5.21

EDIT

I see you just upgraded in another thread so may sure all the new files are uploaded and that you run every required upgrade