Describe the bug
We are playing on a server with my friends, and currently whenever an invasion occurs there will no extra mobs attacking us. There is barely any mobs at all.

To Reproduce
Other than having a server, I don't know how to reproduce it.
Expected behavior
Mobs should be swarming us during invasions.

Info (please complete the following information):

• Modpack Version: 3.0 Beta v2
• Server or Singleplayer: Server
• Version the world was created on: 3.0

Additional context
The only thing I have changed is the world spawn, with the /setworldspawn command, so new players wouldn't have to travel too far to find us.
I also set the difficulty with the command /difficulty hard , because the server would reset it with every startup.
My only guess that the worlspawn command could have broken the invasion, but other than that no idea.

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