Problem accessing /start/index on QNAP. Reason: Not Found

I’m trying to run openHAB 2 on my QNAP TS-251+ NAS but I, and others are getting this error.

The .qpkg is here:

It installs fine but when trying to access the config page I get this error:

HTTP ERROR 404
Problem accessing /home. Reason:
Not Found

Open issue on Github:

Any suggestions?