New project platforms cannot be created because this new solution platform is not supported by any of the projects.

This error occurs when you select Create new project platforms, but none of the projects support the new solution platform.

To correct this error

• Unselect Create new project platforms and click OK.

  —or—

  Unselect Create new project platforms and select a different platform name from the drop-down list and then click OK.

See Also

Reference

New Solution Platform Dialog Box