Version of Advanced Rocketry

1.7.10-1.4.0-20

Have you verified this is an issue in the latest unstable build

N/A

Version of LibVulpes

1.7.10-0.2.6

Version of Minecraft

1.7.10 FTB infinity evolved

Description of the problem

As soon as i try to right click the rocket assembling block the server crashes, every thing else like the multiblock-machines and other stuff work perfectly. This problem is also accuring on the space station assembler.

This is my given crash report:

https://pastebin.com/Ayzn4ELf

P.S. I used the modpack as a base and added a view other mods to it.

OLD VERSION. We told you already. 1.7.10 is OUT OF SUPPORT