i had used lava as a fuel in furnace i had logged off of the world and came back to find the furnace fuel meter to be refilled and will not go down the specific furnace screen already had a stack of cobble through it
Environment
MagicLauncher 1.0.0
java.home: C:\Program Files\Java\jre7
java.runtime.name: Java(TM) SE Runtime Environment
java.runtime.version: 1.7.0_06-b24
os.name: Windows 7
os.version: 6.1
os.arch: amd64
sun.arch.data.model: 64
one mod optine fine 1.5.0 HD U A1
Duplicate of MC-10025.