www.dl2rum.de

There is a popup menu in the scope window where you can make your selection.

No problems here. Maybe you have downloaded the wrong dataset?

In fldigi go to: Menu-->Configure-->Logging-->Cloud-UDP. Enter the address where RL is running. Enter a suitable port number. Remember this number. Tick the Enable box. Optionally go through the Select Fields settings. In RUMlog go to Menu-->RUMlog-->Preferences-->UDP In the RUMlog, N1MM & TR4W ...

Is there something I can do to get this module to work?

No, only Bluetooth Low Energy is supported.

Reboot your Mac.
It seems there are file access permission issues after updating macOS.

Reboot your Mac.
It seems there are file access permission issues after updating macOS.

Check your used certificate. The certificate itself must be valid and your qsos must be in the given QSO date range.

Sure it is. Menu-->Logbook-->Clear

Use the System Preferences to change menu short cuts.

It seems few things are intermixed here: Unfortunately, this file is displayed very brightly and cannot be selected. Can you provide a screenshot? Not selectable files should be grayed out, not bright. Make sure the file extension is .adi or .adif. The same thing happens if I click on "Download ...