Is there some way to force the game to make the transition to Chapter 3? I'm trying to side with Bodhi since I have an evil party, and I installed Valen. But when I get to the end of dialogue where I pay her and it should go to the narrated Chapter 3 introduction screen, the last dialogue screen has her exact words where "End Dialogue" should be, and where a dialogue option should be (and it's the last dialogue screen, so there should be no options) it says "NO VALID REPLIES OR LINKS". Then I exit the dialogue, and Valen can join my party, but the transition to Chapter 3 never happens. I've CLUA'd up another Bodhi, who did the exact same thing. I uninstalled the Improved Bodhi component of the Tactics mod, and the Bodhi's allure component of the Romantic Encounters mod. I figured one of those must have messed up Bodhi's scripting, but it did nothing.

So, back to my original question: can I force the game to transition to Chapter 3? If anyone knows how I can do this, or some other way to fix this problem, I'd really appreciate it. I have very little knowledge of how to mess with triggers or timers with the CLUAConsole, so any solution has to be pretty exact in what steps I take.

I greatly appreciate any help :)

Sounds like your dialog.tlk file is screwed up. Did you install the mods in the correct order?
The correct order is:

Latest Patch -> Baldurdash -> WeiDu mods.
(or at least it wa when I was around)

Improved Bodhi shouldn't really affect her first conversation...I would suspect Bodhi's Allure and Valen contradicting each other, but I have not played the former.

The only way I know of is to use the cheat console. However this will only change one variable (the one that determines which chapter you're in at the moment). If there are other variables in the dialogue that are not being triggered properly you may run into problems (although I don't think there are in the vanilla game, I've never played with any of the mods you are using. Hopefully things should be fine)

Here's how to get the cheat working. I'll try to make this as detailed as possible, feel free to ask for clarification if something doesn't make sense.

1. Make sure the game is not running. Open the Baldur.ini file in notepad (in the game directory, C:\Program Files\Black Isle\BGII - SoA by default)

2. Under the heading Program Options you'll find a variety of settings. Add the line Debug Mode=1 (can be anywhere within the section, I usually add it at the end of this section). Make sure you type this exactly (copy/paste just to be sure, capitalisation and spacing matter)

3. You've now enable the cheat console. Start the game, load your save and press CTRL-SPACE to open the console. Enter this into the console: CLUAConsole:EnableCheatKeys()

4. You've now enabled the cheat hotkeys. There are many that will work, but the one you want is CTRL+C. This will jump to the next chapter. You're probably better off doing this after your dialogue with Bodhi for the best chance things will run properly afterwards.

Hope this helps.