no log in possible on web interface after failed upgrades (OMV 4.1.3-1)

Hi,

i already was logged in in the web gui and have done the upgrades of all packages which were available.
During those upgrades something failed with an error. I shutted down the OMV which is used as virtual machine on proxmox and restarted the OMV.

Now the problem is that i can type in my log in data in the web control panel user:admin and the pw and its shortly seems to be accepted with no failure message but after 1 or 2 seconds the same log in window come up. When i try different, so obviously wrong passwort than the feedback comes that the login is somehow wrong.

So even if i give in the correct log in data, the web Gui is not logging me in.

As root an ssh i already tried everything using omv-firstaid but nothing helped.

It is not working in Chrome and EDGE, even the inkognito mode is not working.

Hopefully some of you can support.

Thanks
Regards
Tommy

[UPDATE]
By using sudo apt-get clean i got the root system cleared.

hi macom,

you are completely right.

How can i delete unused files there from this 2 GB of RAM?

Thanks
Tommy