omv-firstaid can't change administration password right after intstallation

Somehow I screwed up my admin password right after the installation of OMV 3 so I tried to use omv-firstaid to reset it but the system throws the following error:

Updating control panel administrator password. Please wait ...
ERROR: Failed to read file '/var/lib/openmediavault/dirtymodules.json' (size=0).

I managed to fix the issue by manually initializing the dirtymodules.json file running:

echo "[]" > /var/lib/openmediavault/dirtymodules.json

Still, this should get fixed.

I got the OMV 3 image from SourceForge then I flashed a USB.
After the Debian installation I ran a dist-upgrade right away and after that I ran omv-initsystem, the password thing happened after that, but that was caused by my password manager.