gtg fails to start with malformed xml

Description: Ubuntu 14.04.4 LTS
Release: 14.04

gtg fails to start - a nasty surprise! Traceback as follows:
***********************************************
2016-05-18 05:17:36,452 - WARNING - __init__:__init__:74 - Backend backend_evolution could not be loaded: No module named evolution
2016-05-18 05:17:36,490 - WARNING - __init__:__init__:74 - Backend backend_launchpad could not be loaded: No module named launchpadlib.launchpad
2016-05-18 05:17:36,491 - WARNING - __init__:__init__:74 - Backend backend_mantis could not be loaded: No module named suds.client
Traceback (most recent call last):
 File "/usr/bin/gtg", line 89, in <module>
   main()
 File "/usr/bin/gtg", line 85, in main
   sys.exit(gtg.main(options, args))
 File "/usr/share/gtg/GTG/gtg.py", line 123, in main
   manager = Manager(req)
 File "/usr/share/gtg/GTG/gtk/manager.py", line 84, in __init__
   self.browser = TaskBrowser(self.req, self)
 File "/usr/share/gtg/GTG/gtk/browser/browser.py", line 127, in __init__
   self.on_select_tag()
 File "/usr/share/gtg/GTG/gtk/browser/browser.py", line 1184, in on_select_tag
   self.apply_filter_on_panes(tagname)
 File "/usr/share/gtg/GTG/gtk/browser/browser.py", line 1161, in apply_filter_on_panes
   vtree.apply_filter(filter_name, refresh=refresh)
 File "/usr/lib/python2.7/dist-packages/liblarch/viewtree.py", line 276, in apply_filter
   self.__ft.apply_filter(filter_name, parameters, reset, refresh)
 File "/usr/lib/python2.7/dist-packages/liblarch/filteredtree.py", line 635, in apply_filter
   self.refilter()
 File "/usr/lib/python2.7/dist-packages/liblarch/filteredtree.py", line 313, in refilter
   self.send_remove_tree(node_id, self.root_id)
 File "/usr/lib/python2.7/dist-packages/liblarch/filteredtree.py", line 287, in send_remove_tree
   self.callback('deleted', node_id, path)
 File "/usr/lib/python2.7/dist-packages/liblarch/filteredtree.py", line 124, in callback
   func(node_id,path)
 File "/usr/lib/python2.7/dist-packages/liblarch/viewtree.py", line 115, in __emit
   func(node_id,path)
 File "/usr/lib/python2.7/dist-packages/liblarch_gtk/treemodel.py", line 161, in remove_task
   raise Exception("Trying to remove node %s with no iterator"%node_id)
Exception: Trying to remove node 144@1 with no iterator
***********************************************

I removed the offending node from the .xml file, pasted below, and was able to restart:

       <task id="144@1" status="Active" tags="@Periodic,@Finance,@WORKSTATION" uuid="25baaec7-1358-42f9-be58-b2bbe89c97f9">
               <title>QTRLY Finance Download (NET 21st)</title>
               <duedate>2016-10-05</duedate>
               <modified>2016-05-17T07:40:07</modified>
               <startdate>2016-09-21</startdate>
               <content><tag>@WORKSTATION</tag>
<tag>@Periodic</tag> <tag>@Finance</tag>
http://192.168.0.4/mmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm
05/07/2016</content>
               <task-remote-ids/>
       </task>

Still loving this program - wish I had the skill to help out!

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: gtg 0.3.1-1
ProcVersionSignature: Ubuntu 3.13.0-86.131-generic 3.13.11-ckt39
Uname: Linux 3.13.0-86-generic i686
ApportVersion: 2.14.1-0ubuntu3.19
Architecture: i386
CurrentDesktop: LXDE
Date: Thu May 19 06:46:06 2016
InstallationDate: Installed on 2015-04-06 (408 days ago)
InstallationMedia: Lubuntu 14.04 LTS "Trusty Tahr" - Release i386 (20140416.2)
PackageArchitecture: all
SourcePackage: gtg
UpgradeStatus: No upgrade log present (probably fresh install)