Describe the bug
The server crashes when mobs (maybe only zombies) die. Servercore calls "mobCounts." counts," which returns null and crashes the server.

Reproduce

Kill zombie.
Zombie causes ticking entity. This doesn't happen every time, only once or twice an hour. For some server owners it never happens, hard to reproduce.

Expected behavior
No crash

Versions -Latest is not a version!
ServerCore: servercore-neoforge-1.5.5+1.21.1
Minecraft: 1.21.1

Mod incompatibilities
This is with the FTB Evolution modpack which has like 400 mods nearly so hard to say what may be conflicting if anything here.

Normally speaking that field should never be null - its moonrise that sets the field to null, and there's effectively no other way for me to avoid using that field for the following features:

• enforce-mobcap (look for enforce-mobcap: true in the config)
• /mobcaps (command)

So for now best solution would be to configure it so those features are turned off if you use moonrise.

oh gotcha, yeah we actually removed moonrise due to some other compatibility issues in this update so should no longer be a problem for this pack. Ty for the clarification