SERVER crash on startup

[BSA_MEAT]

again, SERVER, not client.

yesterday we were playing and then randomly the server crashes kicking us.

tried to restart but as soon as anyone moves on the server they fall through the floor to the void until the server crashes out kicking everyone and not recovering.

i tried to delete the blocks i thought were causing it (energy conduits) from MCEdit but the server is still crashing out.

i tried to look at the log but i have no clue what im looking at here.

log here: http://www.mediafire.com/?y4sh8lqgwx8f8xq

ive tried to find something on this, maybe im looking in the wrong places.. your help is greatly appreciated.

1 more note, chococraft is removed from our mod list due to choco spawn bug, i dont know if that changes anything.

[BSA_MEAT]

Btw sorry about not posting the log to pastebin, it exceeded their free user size limit

i can however post the last bit:http://pastebin.com/eFBzt9SZ

i dont know how to identify a problem in logs, but as far as i can tell, everything according to logs is A-O-K, the bit i posted is after the server has prepared all the prerequisites, and is actually loading the level... i see no error reports in there...

but it still is crashing...

also, worth a mention: the server is a dedicated I5 running 16 gigs of ram on a 100MB/s line sooo lag/crashing and hardware i believe is unrelated. also here is my command line: "C:Program FilesJavajre7binjava.exe" -Xmx3G -Xms2G -XX:MaxPermSize=256M -jar BigDig.jar nogui

pause