Odd error

[bros]

8: Undefined index: id_cat
File: /home/xxxx/public_html/boards/Sources/Subs-BoardIndex.php
Line: 267 

SMF 2 beta 3.1

Mods installed:
MCLegendII for SMF2.0
Ad Managment
SMF 1.0.13 / 1.1.5 / 2.0 b3.1 Update
Internal Links Use Same Window
Member Color Link

[jerm]

You are running a beta version so errors will not be uncommon. This may be a known error that the devs will fix in the next beta release.

Or this may even be caused by one of the mods installed.