AttributeError: append exceptions while trying to undo the addition of table

I added a table to a note and then decided i do not like its design and wanted to start a new,
I used Ctrl-Z to undo and then this exception poped up:

This is zim 0.67
Platform: posix
Locale: en_US UTF-8
FS encoding: UTF-8
Python: (2, 7, 14, 'final', 0)
Gtk: (2, 24, 31)
Pygtk: (2, 24, 0)
No bzr version-info found

======= Traceback =======
  File "/usr/lib/python2.7/site-packages/zim/actions.py", line 157, in do_activate
    self.__get__(instance, instance.__class__)()
  File "/usr/lib/python2.7/site-packages/zim/actions.py", line 140, in func
    self.func(instance, *args, **kwargs)
  File "/usr/lib/python2.7/site-packages/zim/gui/pageview.py", line 5834, in undo
    self.undostack.undo()
  File "/usr/lib/python2.7/site-packages/zim/gui/pageview.py", line 4618, in undo
    if self.insert_pending: self.flush_insert()
  File "/usr/lib/python2.7/site-packages/zim/gui/pageview.py", line 4576, in flush_insert
    if not _flush_group(self.stack[i]):
  File "/usr/lib/python2.7/site-packages/zim/gui/pageview.py", line 4567, in _flush_group
    tree = self.buffer.get_parsetree(bounds, raw=True)
  File "/usr/lib/python2.7/site-packages/zim/gui/pageview.py", line 2377, in get_parsetree
    obj.build_parsetree_of_table(builder, iter)
  File "/usr/lib/python2.7/site-packages/zim/plugins/tableeditor.py", line 432, in build_parsetree_of_table
    builder.append(HEADDATA, header)
AttributeError: append

Output when running zim -D:
WARNING: Can not import 'xdg.Mime' - falling back to 'mimetypes'
WARNING: Can not import 'xdg.Mime' - falling back to 'mimetypes'
INFO: This is zim 0.67
DEBUG: Python version is sys.version_info(major=2, minor=7, micro=14, releaselevel='final', serial=0)
DEBUG: Platform is posix
DEBUG: No bzr version-info found
DEBUG: Not running from a source dir
DEBUG: Set XDG_DATA_HOME to /home/david/.local/share
DEBUG: Set XDG_DATA_DIRS to [<Dir: /home/david/.local/share/flatpak/exports/share>, <Dir: /var/lib/flatpak/exports/share>, <Dir: /usr/local/share>, <Dir: /usr/share>]
DEBUG: Set XDG_CONFIG_HOME to /home/david/.config
DEBUG: Set XDG_CONFIG_DIRS to [<Dir: /etc/xdg>]
DEBUG: Set XDG_CACHE_HOME to /home/david/.cache
DEBUG: Connecting to /tmp/zim-david/primary-0.67-cbe8276d
DEBUG: Got error in dispatch: No such file or directory
DEBUG: Registered object line
WARNING: Could not find all icon sizes for the application icon
DEBUG: Starting primary process
DEBUG: Start listening on: /tmp/zim-david/primary-0.67-cbe8276d
DEBUG: Loading config from: <zim.notebook.info.VirtualFile object at 0x7f7951caac90>
DEBUG: Loading config from: /home/david/Notebooks/Linux_notes/notebook.zim
DEBUG: Wrote /home/david/.config/zim/notebooks.list
DEBUG: Loading config from: /home/david/Notebooks/Linux_notes/notebook.zim
DEBUG: Opening notebook: <zim.notebook.notebook.Notebook object at 0x7f794ea4ee90>
DEBUG: Loading config from: <ConfigFile: /home/david/.config/zim/preferences.conf>
DEBUG: Loading plugin: arithmetic
DEBUG: Loading plugin: bookmarksbar
DEBUG: Loading plugin: calendar
DEBUG: Loading plugin: diagrameditor
DEBUG: Loading plugin: distractionfree
DEBUG: Loading plugin: ditaaeditor
DEBUG: Loading plugin: equationeditor
DEBUG: Loading plugin: gnu_r_ploteditor
DEBUG: Loading plugin: gnuplot_ploteditor
DEBUG: Loading plugin: inlinecalculator
DEBUG: Loading plugin: insertsymbol
DEBUG: Loading plugin: linesorter
DEBUG: Loading plugin: linkmap
DEBUG: Loading plugin: printtobrowser
DEBUG: Loading plugin: screenshot
DEBUG: Loading plugin: sourceview
DEBUG: Registered object code
DEBUG: Loading plugin: spell
DEBUG: Loading plugin: tableeditor
DEBUG: Registered object table
DEBUG: Loading plugin: tableofcontents
DEBUG: Loading plugin: tags
DEBUG: Loading plugin: tasklist
DEBUG: Loading plugin: trayicon
DEBUG: Loading plugin: versioncontrol
INFO: No VCS detected
DEBUG: Gtk version is (2, 24, 31)
DEBUG: Pygtk version is (2, 24, 0)
DEBUG: Loading config from: <ConfigFile: /home/david/.config/zim/style.conf>
DEBUG: Autosave interval: 15 - use threads: True
DEBUG: Loading config from: /home/david/.cache/zim/notebook-home_david_Notebooks_Linux_notes/state.conf
DEBUG: Registered plugin <zim.plugins.base.imagegenerator.DiagramMainWindowExtension object at 0x7f794ca61050> for image type "diagram"
DEBUG: Registered plugin <zim.plugins.base.imagegenerator.DitaaMainWindowExtension object at 0x7f794ca61410> for image type "ditaa"
DEBUG: Registered plugin <zim.plugins.base.imagegenerator.EquationMainWindowExtension object at 0x7f794ca61450> for image type "equation"
DEBUG: Registered plugin <zim.plugins.base.imagegenerator.Gnu_R_PlotMainWindowExtension object at 0x7f794ca61510> for image type "gnu_r_plot"
DEBUG: Registered plugin <zim.plugins.base.imagegenerator.GnuplotMainWindowExtension object at 0x7f794ca615d0> for image type "gnuplot"
DEBUG: Add window: StatusIconTrayIcon
DEBUG: Accelmap: /home/david/.config/zim/accelmap
INFO: Open page: Home (Home)
DEBUG: Found template 'Default' for Home
INFO: Loading template from: /usr/share/zim/templates/wiki/Default.txt
DEBUG: Add window: MainWindow
DEBUG: BackgroundCheck started
DEBUG: BackgroundCheck found out-of-date
DEBUG: Index folder: /home/david/Notebooks/Linux_notes
DEBUG: BackgroundCheck started
DEBUG: BackgroundCheck finished
DEBUG: BackgroundCheck started
DEBUG: BackgroundCheck finished