need help with TinyPortal getting a wierd error...

[ayuki]

Database Error:

Incorrect integer value: '' for column 'category' at row 1
File: C:\Program Files\Apache Software Foundation\Apache2.2\htdocs\Sources\TPortalAdmin.php
Line: 995


i get that error when im trying to edit article's or post new ones havent edited any files... in case you wonder^^ how can i solve this problem?

[Nokonium]

http://www.tinyportal.net/index.php?topic=14759.msg122886#msg122886