I could reproduce this problem. The issue is due to 

chart not being initialized by default.

If you try this, it works:
"chart lineDiagram"

Doru



On Sat, Dec 7, 2013 at 6:44 PM, Stéphane Ducasse <stephane.ducasse@inria.fr> wrote:
In 50
and it was the eyeSeeEasel not mondrian but the bug is there. 


Hi Stef,

Please specify the version :)

Doru


On Sat, Dec 7, 2013 at 6:11 PM, Stéphane Ducasse <stephane.ducasse@inria.fr> wrote:
Hi

when I open a mondrianEasel and press the right triangle I get an error tell me that error message is not understood.


withAll: bindings.
                                        [ Smalltalk compiler evaluate: script in: context to: context ]
                                                on: Error
                                                do: [ :e |
                                                        self inform: e class name , ': ' , e errorMessage.
                                                        (renderer pieDiagram)
                                                                radius: 100;
                                                                models: #('Error');
                                                                pieValue: [:x | 100];
                                                                displayLegend: true;
                                                                defaultColor: Color red ] ];
                defaultActions
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