Removing things

Keith Hodges keith_hodges at
Mon Jan 21 23:56:17 UTC 2008

Keith Hodges wrote:
> I am attempting to unload things from the image.
> SystemNavigation allObjectDo:
> gets upset, when one of its objects turns out to be an instance of
> ProtoObject subclass: MessageCatcher.
> does anyone have any idea how this might come about?
> I am performing  " Installer unload: 'Universes'.  " in 3.10
> Keith
I understand it now ProtoObject doesnt understand #isBehavior and this
will break if there are any subclasses of ProtoObject in the entire image


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