I am gettin error to run tekkit lite on my host but no erros on my computer. See the topic: http://forums.technicpack.net/threads/error-when-a-player-break-a-block.35800/
I instaled version 0.5.2 with bukkitforge and only essentials plugin.
When any player break a block I get this erros:
http://pastebin.com/rjS1Kc9T
or
http://pastebin.com/cnSJLcqh
or
http://pastebin.com/TRnNe6x9
*obs this error happens only in the host beastnode. On my computer the server work good.