TileEntityAdvancedMachine server crash

[Nightfury18]

Hello i got a server, And it crashes constanly, and gives me this error
13:58:21
STDERR:
java.lang.NullPointerException
13:58:21
STDERR:
at ic2.advancedmachines.common.TileEntityAdvancedMachine.operate(TileEntityAdvancedMachine.java:210)
13:58:21
STDERR:
at ic2.advancedmachines.common.TileEntityAdvancedMachine.g(TileEntityAdvancedMachine.java:96)
13:58:21
STDERR:
at ie.h(WorldServer.java:463)
13:58:21
STDERR:
at net.minecraft.server.MinecraftServer.r(MinecraftServer.java:649)
13:58:21
STDERR:
at hg.r(DedicatedServer.java:241)
13:58:21
STDERR:
at net.minecraft.server.MinecraftServer.q(MinecraftServer.java:585)
13:58:21
STDERR:
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:492)
13:58:21
STDERR:
at xe.h(World.java:2020)
13:58:21
CONSOLE:
[SEVERE] [Minecraft] Encountered an unexpected exception NullPointerException
13:58:21
STDERR:
at fp.run(SourceFile:818)

 

[Greedseed]

There are items missing. Reinstall your mods and see if it solves it.

Also read this thread and do better next time.