gitg GLib-CRITICAL

When I run "gitg", I'm constantly getting:

(gitg:2525): GLib-CRITICAL **: Source ID 2684 was not found when attempting to remove it

(gitg:2525): GLib-CRITICAL **: Source ID 3027 was not found when attempting to remove it

** (gitg:2525): CRITICAL **: gitg_commit_action_create_branch_construct: assertion 'commit != NULL' failed

** (gitg:2525): CRITICAL **: gitg_commit_action_create_tag_construct: assertion 'commit != NULL' failed

** (gitg:2525): CRITICAL **: gitg_commit_action_create_patch_construct: assertion 'commit != NULL' failed

(gitg:2525): GLib-CRITICAL **: Source ID 3107 was not found when attempting to remove it

(gitg:2525): GLib-CRITICAL **: Source ID 7228 was not found when attempting to remove it

(gitg:2525): GLib-CRITICAL **: Source ID 7451 was not found when attempting to remove it

(gitg:2525): GLib-CRITICAL **: Source ID 7661 was not found when attempting to remove it

(gitg:2525): GLib-CRITICAL **: Source ID 7710 was not found when attempting to remove it

(gitg:2525): GLib-CRITICAL **: Source ID 7898 was not found when attempting to remove it

(gitg:2525): GLib-CRITICAL **: Source ID 7923 was not found when attempting to remove it

and nothing is productive is done.

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: gitg 3.17.1-1
ProcVersionSignature: Ubuntu 4.4.0-24.43-generic 4.4.10
Uname: Linux 4.4.0-24-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
CurrentDesktop: Unity
Date: Thu Jun 9 19:34:06 2016
InstallationDate: Installed on 2016-06-08 (2 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
ProcEnviron:
 LANGUAGE=en_US
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: gitg
UpgradeStatus: No upgrade log present (probably fresh install)