blueman-manager crashed with blueman.bluez.errors.DBusInProgressError in err(): In Progress

[Robin]

crashed after trying to connect to an iphone 5s

ProblemType: Crash
DistroRelease: Ubuntu 16.04
Package: blueman 2.0.3-1ubuntu1
ProcVersionSignature: Ubuntu 4.4.0-8.23-generic 4.4.2
Uname: Linux 4.4.0-8-generic x86_64
ApportVersion: 2.20-0ubuntu3
Architecture: amd64
CurrentDesktop: XFCE
Date: Tue Mar 1 15:03:20 2016
ExecutablePath: /usr/bin/blueman-manager
InstallationDate: Installed on 2016-01-12 (48 days ago)
InstallationMedia: Xubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
InterpreterPath: /usr/bin/python3.5
ProcCmdline: /usr/bin/python3 /usr/bin/blueman-manager
ProcEnviron:
 LANGUAGE=de_DE
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=de_DE.UTF-8
 SHELL=/bin/bash
PythonArgs: ['/usr/bin/blueman-manager']
SourcePackage: blueman
Title: blueman-manager crashed with blueman.bluez.errors.DBusInProgressError in err(): In Progress
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm bumblebee cdrom dip lpadmin plugdev sambashare sudo

[Brian Murray (brian-murray)]

This has also been reported at the Ubuntu Error Tracker, https://errors.ubuntu.com/bucket/?id=/usr/bin/blueman-manager%3Ablueman.bluez.errors.DBusInProgressError%3Amsg_reply_handler%3Aerr, hundreds of times including for Ubuntu 19.10.