Cool :)
In pharo2.0 you can click on it and it opens a debugger.
Stef
> <image.png>
On Nov 4, 2012, at 6:04 PM, laurent laffont wrote:
> Hi,
>
> sometimes I have a PluggableListMorph that displays a big red square (see attached screenshot). How can I debug why this happens ?
>
>
> Cheers,
>
> Laurent