Game freezes

[Edar Macilrille]

In Irenicus' dungeon. When I leave Anargh'r cave with all the crystalls and encounter the Goblin group there with the magic user. It is a multiplayer game.
I have the following installed and suspect they have something to do with it.
G3 Cleric remix
Celestials
Anniversary Mods
NPCKit
Calculator
Ease-of-Use
Item Upgrade
NPCFlirt
Improved Oasis
Tactics
Soulafein
Unfinished business
Underrepresented Items
Virtue (though it does not seem to work.)
Banterpack.

There is definately a bug. Whenever I undertake something like trying a door or the like I get e description of some weapon on the screen, I think from Underrepresented Items. AND during character creation, the two bottom fighter subclasses (Deathbringer and ??) are replaced by some lines that I think is from either banterpack or Flirtpack. Further the Goblin magic user encountered is called not "Goblin Mage" as he properly should, but "My name is Charname and I am an adventurer".

Anybody with advice to offer what causes these bugs?

Best regards; Palle

[Edar Macilrille]

More info

Atagaah, not Anargh. However, it happes in single player as well.
I neglected to mention that I used Shadowkeeper on the main character.
I have also since gotten an error message, apparently it is a runtime error...