I'm getting this same issue with bitshares-light_2.0.160524b_amd64.deb on Xubuntu 64bit.
Lintian check results for /home/username/Downloads/bitshares-light_2.0.160524b_amd64.deb:
E: BitShares-light: bad-package-name
E: BitShares-light: package-not-lowercase
E: BitShares-light: maintainer-name-missing community[member=73]bitshares[/member].org
Use of uninitialized value $name in pattern match (m//) at /usr/share/perl5/Lintian/Check.pm line 203.