Monday, August 11, 2008

The project type is not supported by this installation

Kept randomally getting this error when me and another developer were working on the same project. We narrowed it down to the other developer checking in the .csproj file from his machine.

The following steps temporarily solved it until the other developer overwrote the .csproj file.

1. Right click on the project and choose “Edit …” to open the project file as XML.
2. Delete ProjectTypeGuids node.
3. Save and close the XML file.
4. Right click on the project and reload it.


While this solved the problem until the next check-in of the .csproj, on further investigation it turned out one of the machines didn't have Windows SharePoint Services 3.0 Tools: Visual Studio 2005 Extensions installed. After installing this, the problem was really solved.

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