If you've not already, I would try
and it should pickup and fix a broken/stopped upgrade, etc. Just use caution as if you weren't paying attention when you ran apt-upgrade and it was about to uninstall OMV, it's going to continue that process (this is one reason it's really best to use the GUI updater.. learned this lesson)
thanks for the reply. I tried that but the problem still exist :
root@openmediavault:~# dpkg --configure -a
Setting up openmediavault (5.6.8-1) ...
Creating configuration database ...
Migrating configuration database ...
Setting up Salt environment ...
Processing system modifications ...
dpkg: error processing package openmediavault (--configure):
installed openmediavault package post-installation script subprocess returned error exit status 1
dpkg: dependency problems prevent configuration of openmediavault-omvextrasorg:
openmediavault-omvextrasorg depends on openmediavault (>= 5.0); however:
Package openmediavault is not configured yet.
dpkg: error processing package openmediavault-omvextrasorg (--configure):
dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of openmediavault-resetperms:
openmediavault-resetperms depends on openmediavault (>= 5.0); however:
Package openmediavault is not configured yet.
dpkg: error processing package openmediavault-resetperms (--configure):
dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of openmediavault-usbbackup:
openmediavault-usbbackup depends on openmediavault (>= 5.3.4); however:
Package openmediavault is not configured yet.
dpkg: error processing package openmediavault-usbbackup (--configure):
dependency problems - leaving unconfigured
Errors were encountered while processing:
openmediavault
openmediavault-omvextrasorg
openmediavault-resetperms
openmediavault-usbbackup