root@openmediavault:~# apt-get dist-upgrade
Reading package lists... Done
Building dependency tree
Reading state information... Done
Calculating upgrade... Done
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
1 not fully installed or removed.
After this operation, 0 B of additional disk space will be used.
Do you want to continue [Y/n]? y
Setting up openmediavault (0.4.2) ...
Updating configuration ...
/var/lib/dpkg/info/openmediavault.postinst: 428: omv_config_delete_user: not found
dpkg: error processing openmediavault (--configure):
 subprocess installed post-installation script returned error exit status 127
configured to not write apport reports
                                      Errors were encountered while processing:
 openmediavault
E: Sub-process /usr/bin/dpkg returned an error code (1)