This bug was fixed in the package gnome-calendar - 3.24.2-0ubuntu0.1
--------------- gnome-calendar (3.24.2-0ubuntu0.1) zesty; urgency=medium
* New upstream release (LP: #1689678) - Fix crash in active-date logic (LP: #1688414)
-- Jeremy Bicha <email address hidden> Wed, 10 May 2017 14:48:21 -0400
This bug was fixed in the package gnome-calendar - 3.24.2-0ubuntu0.1
---------------
gnome-calendar (3.24.2-0ubuntu0.1) zesty; urgency=medium
* New upstream release (LP: #1689678)
- Fix crash in active-date logic (LP: #1688414)
-- Jeremy Bicha <email address hidden> Wed, 10 May 2017 14:48:21 -0400