There was some work done to the SmartRefenceStream loading and saving in
5.2.
It was broken i 5.1 so I'm not quite sure how much you must do to make it
work.
I think it would be possible to back port the fixes if you can lokate them.

Best,
Karl





On Sun, Jan 13, 2019 at 6:43 PM Philip Bernhart <philip.bernhart at posteo.de>
wrote:

> Hi David,
>
> I tried to do an export / import again in the original
> squeak5.1-16549-64bit-201608171728 derived image.
>
> And it failed there too. Creating empty morphs and
> saving them / reloading them also fails when restoring
> them. Doing the same on a squeak5.2 image seems to be
> no problem.
>
> That's bad. As it makes it impossible? for me to migrate
> objects created in an image to upgrade them to a new squeak
> version (exporting them / reloading them).
>
> Suggestions?
>
>
> Thanks,
> Philip
>
> "David T. Lewis" <lewis at mail.msen.com> writes:
>
> > I can confirm the error, but I also see the same error when I try
> > to load the morph file in a freshly downloaded Squeak5.1-16553-64bit
> > image.
> >
> > Are you able to load the morph file back into the same image from
> > which it was generated?
> >
> > If so, perhaps there is something that has been changed or added
> > to that image that would need to be added to the new squeak 5.2
> > image as well. This is only a guess, but maybe it will help.
>
>
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