Cannot access nextcloudpi in any way

That was the solution for the first problem. Thank you very much!
Now I have access to the PI via ssh or Web-UI.

In the System Info I see that:

extCloudPi version v1.49.1
NextCloudPi image NextCloudPi_03-28-20
OS Raspbian GNU/Linux 10. 5.10.103-v7l+ (armv7l)
automount yes
USB devices sda
datadir /media/SSD/ncdata (doesn’t exist)
rootfs usage 2.5G/29G
swapfile /var/swap
dbdir /media/SSD/ncdatabase
Nextcloud check error
HTTPD service up
PHP service up
MariaDB service up
Redis service up
HPB service down
Postfix service up
Internet check ok
public IPv4 xxx
public IPv6 xxx
Port check 80 open (ipv4)
Port check 443 open (ipv4)
IP 192.168.178.xx
Gateway 192.168.178.xx
Interface eth0
certificates ***.xx.de
NAT loopback no
Uptime 7min

The Nextcloud is down, so is the HPB service.

I did some research and found the Datadir is not correct anymore.
Somehow it created a media/SSD1/ in addition to the existing media/SSD/

I looked up the SSD1 and voila, all the datas are in there. I tried to configure it to the correct entry, like described here.
Sadly it won’t let me and after a restart it’s again in media/SSD/
It prompts “/media/SSD1 is not empty”

Any good advices?