Hello there,

I get a crash whenever I try and open any of the blocks GUIs. According to the crash log, the JRE crashes.
Let me know if I need to provide any more details.

Minecraft log: http://pastebin.com/xh8gnHYk

Log referenced in the log: http://pastebin.com/0mFbuMQ2

I am a dumb, and when I searched for the right error code, I found my solution. Reinstalling Java fixed it. My bad.