[Mono-osx] Opening MonoDevelop 2.5 projects with 2.6 fails with "unknown item type"

Dan Fry dan at sonocent.com
Sat Sep 10 05:38:28 EDT 2011

Hi Eric,

When I updated to 2.6, the MonoMac add-in was disabled initially. I had 
to update it manually in MonoDevelop->Add-in manager... for it to work 
again. Have you tried that?


On 10/09/2011 03:28, Eric J. M. Smith wrote:
> Greetings,
> I just installed MonoDevelop 2.6, but whenever I open an existing MonoDevelop project, I get an error message like this:
> Could not load project '/Users/zig/Projects/Mono/monomac/samples/DocumentSample/DocumentSample.csproj' with unknown item type '{1C533B1C-72DD-4CB1-9F6B-BF11D93BCFBE};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}'
> This happens not only for my own projects, but also for the sample projects which came with MonoMac.
> Any suggestions for how to resolve this?  For the time being, I've reverted to MonoDevelop 2.5, which works as well as always.
> Thanks,
> Eric Smith
> Tarkvara Design Inc.
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