Fail to login to admin panel

I can login at https://nextcloudpi.local/
But when I try to login at https://nextcloudpi.local:4443 nothing happens…

var/log/apache2/log/error.log shows:

[Mon Apr 27 20:45:37.889074 2020] [authz_host:error] [pid 858:tid 2881618976] [client 192.168.0.8:57100] AH01753: access check of ‘localhost’ to / failed, reason: unable to get the remote host name
[Mon Apr 27 20:45:51.479640 2020] [authz_host:error] [pid 858:tid 2881618976] [client 192.168.0.8:57106] AH01753: access check of ‘localhost’ to / failed, reason: unable to get the remote host name
[Mon Apr 27 20:45:53.338947 2020] [authnz_external:error] [pid 858:tid 2881618976] [client 192.168.0.8:57106] AuthExtern pwauth [/usr/sbin/pwauth]: Failed (1) for user ncp
[Mon Apr 27 20:45:53.339081 2020] [auth_basic:error] [pid 858:tid 2881618976] [client 192.168.0.8:57106] AH01617: user ncp: authentication failure for “/”: Password Mismatch

Samba and SSH working OK, only admin panel not working…
Any help appreciated.

/Peder