See here for some help with your issue
http://forums-de.ubi.com/showthread....us-v0-0-1-Mod?
It looks like you need to also install TDWs new UI v7.1
UPDATE 29.09.2012 DeutschMod 1.0.10 für Magnum Opus mit Multiple NewUIs 7.1.0 und Open Horizon II 2.0
Also see here for extra information
http://forums-de.ubi.com/showthread....TE-30-08-2011?
http://forums-de.ubi.com/showthread....9-1945/page73?