java.lang.RuntimeException: class com.the9grounds.aeadditions.tileentity.TileEntityFluidCrafter is missing a mapping! This is a bug!
    at net.minecraft.tileentity.TileEntity.writeInternal(TileEntity.java:78)
    at net.minecraft.tileentity.TileEntity.getUpdateTag(TileEntity.java:205)
    at com.the9grounds.aeadditions.tileentity.TileBase.getUpdatePacket(TileBase.java:25)
    at net.minecraft.server.management.PlayerChunkMapEntry.sendBlockEntity(PlayerChunkMapEntry.java:288)
    at net.minecraft.server.management.PlayerChunkMapEntry.update(PlayerChunkMapEntry.java:250)
    at net.minecraft.server.management.PlayerChunkMap.tick(SourceFile:115)
    at net.minecraft.world.WorldServer.tick(WorldServer.java:227)
    at net.minecraft.server.MinecraftServer.updateTimeLightAndEntities(MinecraftServer.java:756)
    at net.minecraft.server.MinecraftServer.tick(MinecraftServer.java:668)
    at net.minecraft.server.integrated.IntegratedServer.tick(IntegratedServer.java:185)
    at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:526)
    at java.lang.Thread.run(Thread.java:745)