Crash when mod-settings file is present

[Bluberius]

Foreman crashes when there is a mod-settings.dat file present in the factorio mod directory.

I reproduced this by installing the logistic train network mod v.1.13.1 (and dependencies). This mod will create the settings file on startup.
Alternatively I was also able to reproduce this with just an empty mod-settings.dat file.

I'm using Factorio v0.18.18

The crash does not produce an error log file.
You can find the error message from the exception window here:

https://pastebin.com/v7k5fgQw

I can try to translate parts of it if needed.

[Rybadour]

Can you re-test this after syncing your mods in Factorio? mods-settings.dat is a standard part of Factorio that Foreman supports. I was just testing with it today and everything works as expected.

An "empty" file might be an error. I wouldn't touch the file, just let factorio modify it.