Following is the result of running apt-get install melange on a Ubuntu Precise machine:
Selecting previously unselected package melange.
(Reading database ... 21595 files and directories currently installed.)
Unpacking melange (from .../melange_2012.1~e4~20120126.11502-0ubuntu1_all.deb) ...
Setting up melange (2012.1~e4~20120126.11502-0ubuntu1) ...
Warning: The home dir /var/lib/melnage you specified can't be accessed: No such file or directory
Adding system user `melange' (UID 104) ...
Adding new user `melange' (UID 104) with group `melnage' ...
Not creating home directory `/var/lib/melnage'.
chown: invalid group: `melange:melange'
dpkg: error processing melange (--configure):
subprocess installed post-installation script returned error exit status 1
Errors were encountered while processing:
melange
E: Sub-process /usr/bin/dpkg returned an error code (1)
It seems like there is a typo in the group "melnage".
Following is the result of running apt-get install melange on a Ubuntu Precise machine:
Selecting previously unselected package melange. 2012.1~ e4~20120126. 11502-0ubuntu1_ all.deb) ... e4~20120126. 11502-0ubuntu1) ...
(Reading database ... 21595 files and directories currently installed.)
Unpacking melange (from .../melange_
Setting up melange (2012.1~
Warning: The home dir /var/lib/melnage you specified can't be accessed: No such file or directory
Adding system user `melange' (UID 104) ...
Adding new user `melange' (UID 104) with group `melnage' ...
Not creating home directory `/var/lib/melnage'.
chown: invalid group: `melange:melange'
dpkg: error processing melange (--configure):
subprocess installed post-installation script returned error exit status 1
Errors were encountered while processing:
melange
E: Sub-process /usr/bin/dpkg returned an error code (1)
It seems like there is a typo in the group "melnage".