Launcher/pack Version: 2.1.1
Operating System: Mac OS X, Version 10.6.8
Version of Java: The Version which came with my Mac.
Description of Problem: I cannot use the Flying ring to fly or The watch of flowing time.
They instantly switch back to their former states when i try to use them.
Error Messages: No Messages.
Link to pastebin of log: http://pastebin.com/9HGjr5vp
Additional Info: It only happens on SP.