Board Thread:Questions and Answers/@comment-5952097-20130107005045/@comment-5952097-20130107184151

24.18.8.160 wrote: Wipe your tekkit cache. your saves should be ok, but you'll want to pull the emc out of your transmutation tablet-it will also forget what it's learned when you do this.

and your waypoints will be gone. but otherwise, your saves will be intact. Thanks Man! This really helped a lot