I made a modpack and I was using this mod to help me, but because this mod was enabled when making my modpack - I included it. However after trying to setup a multiplayer server nobody could connect while this mod was active.

Here's my modpack with the issue, the version that includes this mod is 21.08.14 https://mods.factorio.com/mod/Ubiquity_Unstable

Missing error message. Missing log.file

This mod has been developed as a one-time-execute helper mod.
The mod should not be permanently enabled, and must not be included as a dependency in a mod pack.
As quick fix for the issue I could deactivate the functionality if a MP game ist detected.
But as mentioned before, it would be inconvenient if it was distributed as a dependency to every user who didn't need it at all.

Version: 2.2.0
- disable export if MP is detected
- exclude this mod from export

You're right, it should not be included in the modpack. Thanks for the update.