Steps to Reproduce:

1. Create a Normal Compact Machine
2. Attempt to enter the machine

Expected Result:
The player enters the machine

Actual Result:
The server crashes, and can not be restarted.

Reproducability - 2 / 5

Crash text:
[10:25:30] [Server thread/ERROR]: Encountered an unexpected exception net.minecraft.util.ReportedException: Ticking block entity at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:771) ~[MinecraftServer.class:?] at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:396) ~[nz.class:?] at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:666) ~[MinecraftServer.class:?] at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:524) [MinecraftServer.class:?] at java.lang.Thread.run(Unknown Source) [?:1.8.0_151] Caused by: java.lang.NullPointerException at org.dave.compactmachines3.world.tools.SpawnTools.spawnEntitiesInMachine(SpawnTools.java:59) ~[SpawnTools.class:?] at org.dave.compactmachines3.tile.TileEntityMachine.func_73660_a(TileEntityMachine.java:147) ~[TileEntityMachine.class:?] at net.minecraft.world.World.func_72939_s(World.java:1829) ~[amu.class:?] at net.minecraft.world.WorldServer.func_72939_s(WorldServer.java:612) ~[oo.class:?] at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:765) ~[MinecraftServer.class:?] ... 4 more [10:25:30] [Server thread/ERROR]: This crash report has been saved to: C:\ATLauncher\Servers\DNSTechpack_12001\.\crash-reports\crash-2017-11-12_10.25.30-server.txt [10:25:30] [Server thread/INFO]: Stopping server

crash-2017-11-12_10.25.30-server.txt

Could you retest this with the latest build 165 from curse, please?

Issue has not reproduced after 10 attempts.

Thanks for the prompt fix!

This is probably already fixed in d3b1b86
I'll probably put a new release out later today.