This bug was fixed in the package libqapt - 3.0.2-0ubuntu1.2
--------------- libqapt (3.0.2-0ubuntu1.2) xenial; urgency=low
* libqapt3 should depend on apt-xapian-index for the package index access which is required for most operations (LP: #1530523).
-- Simon Quigley <email address hidden> Wed, 30 Aug 2017 04:30:26 -0500
This bug was fixed in the package libqapt - 3.0.2-0ubuntu1.2
---------------
libqapt (3.0.2-0ubuntu1.2) xenial; urgency=low
* libqapt3 should depend on apt-xapian-index for the package index
access which is required for most operations (LP: #1530523).
-- Simon Quigley <email address hidden> Wed, 30 Aug 2017 04:30:26 -0500