[Blight fall is crashing whenever I open my single player world. Help!]

I posted this on the bug reports page, but I haven't gotten any answers there. This crashing has happened on multiple worlds I've created,  I need someone to help me so that I can get my worlds back!

Here's my most recent crash report:http://pastebin.com/EvhQH3Na"

EDIT: I'd like to add that the crashing phenomenon seems to happen whenever I go near the volcano on the island. I don't know if that has to do with anything, I just thought it might be helpful info.

[Blightfall crashes upon opening my single player world. Please help!]

Whenever I try to open my Blightfall world, it crashes and sends me back to the launcher. I don't want to have to start a new world, so please help!

Crash report:http://pastebin.com/EvhQH3Na