Please help me to recover Training Image Labeler

Yesterday everything was OK, but today after loading recent label session to Training Image Labeler I've got following error and I cant export ROIs or do anything with Labeler only to swich it of...after running Labaler again I found that it happens with every laleler sessions I saved...Can any body help me?

Warning: Error occurred while executing callback:
Error using event.listener
Parameter 'source' must be an array of handles or a cell array of handles.

Error in imroi (line 53)
                obj.graphicsDeletedListener =
                event.listener(h_group,'ObjectBeingDestroyed',...

Error in imrect (line 83)

Error in
vision.internal.cascadeTrainer.tool.TrainingDataLabelerTool/redrawBoundingBoxes
(line 1482)
                roi = imrect(hAxes, boundingBoxes(i,:));

Error in
vision.internal.cascadeTrainer.tool.TrainingDataLabelerTool/drawImages
(line 1463)
                this.redrawBoundingBoxes(hAxes, currentIndex);

Error in
vision.internal.cascadeTrainer.tool.TrainingDataLabelerTool/processOpenSession
(line 763)
                this.drawImages(); % Display the first image on the list

Error in
vision.internal.cascadeTrainer.tool.TrainingDataLabelerTool/openSession
(line 202)
            this.processOpenSession(pathname, filename,
            preserveExistingSession);

Error in vision.internal.cascadeTrainer.tool.LabelingTab/doOpen (line 504)
                openSession(getParent(this));

Error in
vision.internal.cascadeTrainer.tool.LabelingTab>@(varargin)this.doOpen(varargin{:})
(line 404)
                @this.doOpen);

Error in toolpack.component.TSDropDownPopup>LocalListItemSelected (line
110)
obj.notify('ListItemSelected')

Error in hgfeval (line 62)
        feval(fcn{1},varargin{:},fcn{2:end});

Error in javaaddlistener>cbBridge (line 52)
    hgfeval(response, java(o), e.JavaEvent)

Error in javaaddlistener>@(o,e)cbBridge(o,e,response) (line 47)
                          @(o,e) cbBridge(o,e,response));

> In TSDropDownPopup>LocalListItemSelected at 110
  In hgfeval at 62
  In uitools\private\javaaddlistener>cbBridge at 52
  In uitools\private\javaaddlistener>@(o,e)cbBridge(o,e,response) at 47 
Error using event.listener
Parameter 'source' must be an array of handles or a cell array of
handles.

Error in imroi (line 53)
                obj.graphicsDeletedListener =
                event.listener(h_group,'ObjectBeingDestroyed',...

Error in imrect (line 83)

Error in
vision.internal.cascadeTrainer.tool.TrainingDataLabelerTool/redrawBoundingBoxes
(line 1482)
                roi = imrect(hAxes, boundingBoxes(i,:));

Error in
vision.internal.cascadeTrainer.tool.TrainingDataLabelerTool/drawImages
(line 1463)
                this.redrawBoundingBoxes(hAxes, currentIndex);

Error in
vision.internal.cascadeTrainer.tool.TrainingDataLabelerTool/doSelection
(line 1365)
                    this.drawImages();

Error in
vision.internal.cascadeTrainer.tool.TrainingDataLabelerTool>@(varargin)this.doSelection(varargin{:})
(line 1344)
                'delayed', @this.doSelection);

Warning: Error occurred while evaluating listener callback.

[Dima Lisin]

Are you running the same version of matlab? Did you move the saved session files into a different folder? Were you able to load the sessions before?