Aether II and UMS crash

[Northern Sky]

So, I got the Aether II mod to work on my UMS modpack, and it works perfectly up until the point that I actually go into the Aether portal, at which point it says "shutting down internal server". I got this crash report:

 

 

 

 

---- Minecraft Crash Report ----

// Surprise! Haha. Well, this is awkward.

 

Time: 9/12/14 8:21 AM

Description: Exception in world tick

 

*snip*

 

How should I go about fixing this?

Edited September 12, 2014 by Munaus

[Northern Sky]

This is the Aether II modpack I use, and it works with UMS up until going into the Aether:

 

 

http://www.technicpack.net/api/modpack/aether-ii-modpack

[Northern Sky]

Please, someone help me out, I really wanna get this working. And yes, it says that optifine is unsupported, I got rid of it and it still happens.

Edited September 12, 2014 by Northern Sky

[Munaus]

you can start by posting that log through a pastebin site and paste the link here instead

[Northern Sky]

Here's the full log: http://pastebin.com/MPMMaLLY

 

I don't know what to look for on this one, I really don't.

Edited September 14, 2014 by Northern Sky