Bukkit

Which Version of the plugin do you use?
0.47

Which Craftbukkit-Built do you use? (e.g. Built 2126 AND 1.2.4-R1.0)
2838 (1.6.2-R0.1)

Please post your server.log at www.pastebin.com and post the URL from your Log (In most cases it is helpfull when you stop your server remove your old server.log start the server again and then post the log).
http://pastebin.com/MbWkY9LL

What steps will reproduce the problem?
1. Join a temple -sometimes
2. Leave a temple -sometimes

What is the actual defect?
50% of times server crash when a player joins or leaves a temple, floating in a dark empty space..

Any other Informations?
Server RAM is 1GB, but it can crash at any moment.. 200/1024, 500/1024, 700/1024 ecc.