dpkg-query: parse error, in file `/var/lib/dpkg/available' near line 1:
 field name `,' must be followed by colon
dpkg: parse error, in file `/var/lib/dpkg/available' near line 1:
 field name `,' must be followed by colon
E: Sub-process /usr/bin/dpkg returned an error code (2)
A package failed to install.  Trying to recover:
dpkg: parse error, in file `/var/lib/dpkg/available' near line 1:
 field name `,' must be followed by colon