null pointer runtime error on remove not-yet accepted contact

[themusicgod1]

1) open ricochet
2) find contact who a request was sent to add them, but for whom they haven't accepted yet
3) right click on their name
4) details
5) copy their id using the copy button
6) close that window by escape button
7) right click on that user
8) remove user

result:
src/core/ContactUser.cpp:330:38: runtime error: member call on null pointer of type 'struct QObject'

desired result:
should remove that user.

ubuntu 17.04
ricochet: 1.1.4-1

ProblemType: Bug
DistroRelease: Ubuntu 17.04
Package: ricochet (not installed)
ProcVersionSignature: Ubuntu 4.10.0-26.30-generic 4.10.17
Uname: Linux 4.10.0-26-generic x86_64
ApportVersion: 2.20.4-0ubuntu4.1
Architecture: amd64
CurrentDesktop: Unity:Unity7
Date: Mon Jul 3 13:22:28 2017
InstallationDate: Installed on 2017-04-18 (75 days ago)
InstallationMedia: Ubuntu 17.04 "Zesty Zapus" - Release amd64 (20170412)
JournalErrors:
 Error: command ['journalctl', '-b', '--priority=warning', '--lines=1000'] failed with exit code 1: Hint: You are currently not seeing messages from other users and the system.
       Users in the 'systemd-journal' group can see all messages. Pass -q to
       turn off this notice.
 No journal files were opened due to insufficient permissions.
SourcePackage: ricochet
UpgradeStatus: No upgrade log present (probably fresh install)