Describe the bug you're experiencing

Server kicks player

Reproducability

I dont know this happened on a modpack i develop from a report I got, it would hope its easy to duplicate on a windows server.

Mod up to date

• Before submitting this issue I updated to the newest version and reproduced it

Minecraft version

1.20.1

Modloader version

Forge

Logs

https://gist.github.com/RainbowTabitha/a6a5712ccd74b141c5f80ac3a5a0ab9d

it seems the midnigh mod used an invalid character in its filename: ":". Though I could not reproduce it on their newest version, so they probably already fixed it