There was an error while writing to the item %s. This item keeps track of the solution's location, and a failure to update ...

There was an error while writing to the item %s. This item keeps track of the solution's location, and a failure to update this item could make it impossible for other users to open this solution from source control. Verify that your source control provider is functioning properly. Please confirm that the location where this item is stored is not read-only, and you have permissions to access it.