Problem Updating server frome infinity 1.5.1 to 1.6.2 but getting crash reports

[t_rsten]

Hi,

Im trying to update my server to infinity 1.6.2 but it won't work.

i got so far but when i did log on the server it crash

Have no ide what is cusing this problem att all!

So i have provided a crash log for anyone that want to help me with this
http://pastebin.com/1gQHRnsQ

I have added servertools and eneble opis and MobiusCore to more easy track down lag better.

Pleas help me.

 

[t_rsten]

and somthing more i did in the updating process was deleted some unused mystcraft ages

 

[t_rsten]

This is a crash log with the deleted mystcraft ages http://pastebin.com/AF1f9cxQ if there is any differences