Why does my Minecraft crash when I place a Wind Turbine down from the mod Mekanism Generators? - 1

Why does my Minecraft crash when I place a Wind Turbine down from the mod Mekanism Generators?

Added (1). I can't even open that world anymore cause its placed so I lost a great world.

Added (2). This is the crash report

Added (3). ---- Minecraft Crash Report ----
// I let you down. Sorry.

Time: 12/3/13 4:21 PM
Description: Ticking tile entity

java.lang.NullPointerException
at mekanism.api.Object3D.getFromSide(Object…
at mekanism.common.util.CableUtils.emit(Cab…
at mekanism.generators.common.tileentity.Ti…
at mekanism.generators.common.tileentity.Ti…
at mekanism.common.tileentity.TileEntityBas…
at net.minecraft.world.World.func_72939_s(W…
at net.minecraft.world.WorldServer.func_729…
at net.minecraft.server.MinecraftServer.fun…
at net.minecraft.server.MinecraftServer.fun…
at net.minecraft.server.integrated.Integrat…
at net.minecraft.server.MinecraftServer.run…

Added (4). Ha I put it in gaming…

Try contacting the author.
Provide the full error log when you ask for help.

Or, try reinstalling the mod.