I had a world.
I moved the world from an user to another user.
Then i wanted to play the world, but minecraft crashed, when i tried to play the world.
I can still play the world on my first account without crashing.
I hope anybody can help me.
here is the crash report
(Sorry for my bad english 🙂 )
Dupe of MC-10167
On a side note, your Java is outdated:
Please update to 1.8.0_31: http://www.oracle.com/technetwork/java/javase/downloads/index.html