Upgrade von 3 nach 4

Hi,

can someone help me?
i've Upgrade from 3 (the last version) to 4.0.5-1. it seems all looking fine.
But i cannot log in to the Webinterface.

i get only the error 502 Bad Gateway, nginx.

dpkg -l | grep openm
ii openmediavault 4.0.5-1 all openmediavault - The open network attached storage solution
ii openmediavault-backup 3.6 all backup plugin for OpenMediaVault.
ii openmediavault-clamav 4.1-1 all OpenMediaVault ClamAV plugin
ii openmediavault-cups 3.1.2 all OpenMediaVault CUPS (network printer server) plugin.
ii openmediavault-keyring 1.0 all GnuPG archive keys of the OpenMediaVault archive
ii openmediavault-letsencrypt 3.2 all Generate free and valid SSL certificates for OMV
ii openmediavault-netatalk 4.0-1 all OpenMediaVault netatalk (AppleTalk Protocol Suite) plugin
ii openmediavault-omvextrasorg 4.0.2 all OMV-Extras.org Package Repositories for OpenMediaVault
ii openmediavault-plexmediaserver 3.8.1 all OpenMediaVault Alex Media Server plugin

had some one any ideas? What can i do?

greetings Felix

Good morning toppi,

yes, that is the workaround or solution. Thank you very much.
this tool, omv-firstaid is a very cool tool.

greetings
Felix