1.7.2 (Build 953) - Pistons Disappear and break Map

I've added the latest reco build and now i am facing this problem.
When i first added it, it worked once! I could make a piston and when someone else tried then it would not make any piston

The piston wont even show on the crafting table.
After trial and error i realized this.... when this happens my map files are history.... I have to restore my map to an earlier backup for it to work again (only once like i said).
Sometimes it messes up the /players folder also...I have to remove all the player inventories for it to work.
Its doing the same thing even without plugins, so its not that.
I've recreated my map seed also and copied all the buildings from my old map into the new seed just to be sure its not the map.
All my plugins are updated and the server is running in a CentOS system.

Has this happened to anyone else ? Or do you guys even know why is this happening ?

Thanks.

 

Bump the problem is still there....I thought it was the NoCheat plugin that wasnt working well with the CommandHelper plugin....but i took both out, and restored my map and after 10 minutes the problem is still there.
Has noone else had this problem ?
Or heard of anyone with the same problem ?

I cant make shears either....any 1.7.2 items (((((

Any help would be appreciated

Plugins running:

Code:

AuthMe
AutoSave
BigBrother
BorderGuard
ColorMe
CraftBukkitUpToDate
dynmap
FalseBook
GiveTo
HeroicDeath
iChat
iConomy
IPGet
Landmarks
LWC
MagicCarpet
MineMail
MultiVerse
Netstats
Permissions
PermissionsPlus
PlgDisableCmd
pvparena
RealShop
reedemCodes
SimpleHelp
SleepAnnounce
SpawnControl
SpawnMob
TelePlusPlus
TeslaCoil
Towny
VirtualChest
WorldEdit
WorldGuard
xWarp