Version of Advanced Rocketry

2.0.0-232

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

• Y
• [] N
• [] N/A

Version of LibVulpes

0.4.2-85

Version of Minecraft

1.12.2

Does this occur without other mods installed

• Y
• [] N
• [] N/A

If Y, what is the MINIMUM set of mods required.
Advanced Rocketry
LibVulpes

Crash report or log or visualVM (if applicable)

http://pastebin.com is a good place to put them
crash reports that are put in the issue itself are
hard to read

https://pastebin.com/CniqsZVr

Description of the problem

Note: The problem occurs exclusively in multiplayer. And the error only occurs in the client.
Description: When trying to view asteroid contents in the observatory, a NullPointerException occurs in the client and no asteroid content information is shown in the GUI.
Step 1: Create 1.12.2 multiplayer server
Step 2: Build observatory multiblock
Step 3: Insert data storage module with distance data
Step 4: Scan for asteroids
Step 5: Click on any asteroid. Nothing will appear in the right hand side of the GUI, and there will be a NullPointerException in the client log.

Version out of date.