Using a new image did the trick.
> 
> On Friday, August 1, 2003, at 07:22  PM, Derek Brans wrote:
> 
> > Avi, Colin and other MC users,
> > 
> > I am trying to load a "version 1.70" .mc file into an image with the 
> > latest version of Monticello. Below is the error I'm getting. Has 
> > the .mc file format has changed? If so, how do I upgrade my package 
> > to be in the new file format? I tried loading the package into an old 
> > image with MC 1.70 installed and then upgrading MC. That didn't work.
> 
> Hi Derek,
> 
> Can you be more specific about what version of Monticello you're using? 
> Is it 1.148, which is on SqueakMap right now? The "latest version" off 
> SourceForge? Are you using MonticelloCVS as well, or just Monticello?
> 
> I put the quotes in there because we've pretty much moved off of SF. We 
> had some reliability problems there, and anonymous checkouts lagged 
> behind the head a lot. For now we're using a private CVS server, but we 
> hope to get rid of CVS entirely in the near future, and go with a 
> public Monticello repository. If you want to track the head, let me 
> know, and I'll make a mirror available over the web.
> 
> Anyway, that walkback seems to be created by a pretty old version of 
> Monticello. The file format did indeed change, but versions after 1.97 
> still support the old format. It's possible that Monticello got 
> corrupted while updating its self.
> 
> Colin
> 
> 
>