Neverwinter Nights 2: Mask of the Betrayer Hotfix

The official Neverwinter Nights 2 forums give exact instructions for installing a new Mask of the Betrayer hotfix to address missing text in the expansion pack.
When installing MoTB, please use the following instructions:

1. Install NWN2
2. Patch NWN2 to the latest version (1.10 as of Sept. 29, 2007)
3. Install Mask of The Betrayer
4. Download and apply the hot fix for your language, listed below.

Italian: Click Here
French: Click Here
German: Click Here
English: Click Here
Spanish: Click Here

If you do not apply the hot fixes, when you attempt to play the game you will see sections of missing text and the Campaign name will say it is undefined.