A3 crash losse region 28/06/13

    [INFO]: LV2: Discovering 448 plugins
    [WARNING]: Ignoring invalid LV2 plugin http://home.gna.org/lv2vocoder/1
    [WARNING]: Ignoring invalid LV2 plugin http://miplug.in/plugins/dynamic5band/mono
    [WARNING]: Ignoring invalid LV2 plugin http://miplug.in/plugins/dynamic5band/stereo
    [INFO]: Chargement des menus depuis /opt/Ardour-3.1.10-dbg/etc/ardour.menus
    [INFO]: Chargement des menus depuis /opt/Ardour-3.1.10-dbg/etc/mixer.bindings
    [ERROR]: Session: XMLNode describing a AudioRegion references an unknown source id =55637
    [ERROR]: Session: cannot create Region from XML description. Can not load state for region 'direct bass-20'
    [ERROR]: Session: XMLNode describing a AudioRegion references an unknown source id =55637
    [ERROR]: Session: cannot create Region from XML description. Can not load state for region 'direct bass-20.7'
    [ERROR]: Session: XMLNode describing a AudioRegion references an unknown source id =55662
    [ERROR]: Session: cannot create Region from XML description. Can not load state for region 'ampli bass-20'
    [ERROR]: Session: XMLNode describing a AudioRegion references an unknown source id =55662
    [ERROR]: Session: cannot create Region from XML description. Can not load state for region 'ampli bass-20.7'
    [ERROR]: Session: XMLNode describing a AudioRegion references an unknown source id =55662
    [ERROR]: Playlist: cannot create region from XML
    [ERROR]: Session: cannot create Playlist from XML description.
    [ERROR]: Session: XMLNode describing a AudioRegion references an unknown source id =55637
    [ERROR]: Playlist: cannot create region from XML
    [ERROR]: Session: cannot create Playlist from XML description.
    [INFO]: Loading bindings from /home/kxzu/.config/ardour3/ardour.bindings
    Loading 82 MIDI patches from /home/kxzu/.config/ardour3/patchfiles:/opt/Ardour-3.1.10-dbg/share/patchfiles
    [INFO]: Loading history from /home/kxzu/Ardour 3/DAM Base/Juin 2013.history
    [ERROR]: could not reconstitute StatefulDiffCommand from XMLNode. object type = ARDOUR::AudioPlaylist id = 53349
    [ERROR]: could not reconstitute MementoCommand from XMLNode. object type = ARDOUR::AutomationList id = 79202
    [ERROR]: could not reconstitute MementoCommand from XMLNode. object type = ARDOUR::AutomationList id = 79209
    [ERROR]: could not reconstitute StatefulDiffCommand from XMLNode. object type = ARDOUR::AudioPlaylist id = 53385
    [ERROR]: could not reconstitute MementoCommand from XMLNode. object type = ARDOUR::AutomationList id = 79232
    [ERROR]: could not reconstitute MementoCommand from XMLNode. object type = ARDOUR::AutomationList id = 79239
    [ERROR]: could not reconstitute MementoCommand from XMLNode. object type = ARDOUR::AutomationList id = 79232