Can't install maps from ‘abatzill.de’

[nbeli]

Hello,
I'm an old pilot but a freshman Unix nerd.
I didn't succeed in installing maps from your server.
Here is the errors I got.
Could you help me ?
Thanks a lot.
Best regards.
Nestor

pi@stratux:~ $ sudo -s
root@stratux:/home/pi# cd /overlay/robase/opt/stratux/mapdata
root@stratux:/overlay/robase/opt/stratux/mapdata# ./download_mapdata.sh

Download OpenFlightMaps VFR Charts Europe (~700 MiB)? [y/n]y--2022-04-05 09:46:39-- https://abatzill.de/stratux/openflightmaps.mbtiles
Resolving abatzill.de (abatzill.de)... 2a03:4000:29:5bb::1, 94.16.117.178
Connecting to abatzill.de (abatzill.de)|2a03:4000:29:5bb::1|:443... connected.
ERROR: The certificate of ‘abatzill.de’ is not trusted.
ERROR: The certificate of ‘abatzill.de’ has expired.
The certificate has not yet been activated
mount: /overlay/robase: mount point is busy.

Download US Sectional VFR Charts (~4.9 GiB)? [y/n]y--2022-04-05 09:46:41-- https://abatzill.de/stratux/vfrsec.mbtiles
Resolving abatzill.de (abatzill.de)... 2a03:4000:29:5bb::1, 94.16.117.178
Connecting to abatzill.de (abatzill.de)|2a03:4000:29:5bb::1|:443... connected.
ERROR: The certificate of ‘abatzill.de’ is not trusted.
ERROR: The certificate of ‘abatzill.de’ has expired.
The certificate has not yet been activated
mount: /overlay/robase: mount point is busy.
root@stratux:/overlay/robase/opt/stratux/mapdata#