Cannot add the control '{0}' to the design surface.
This control is not available in the .NET Framework version that this project targets.
Cannot add machine role '{0}' to environment '{1}'. Another machine role with same ID already exists in another environment ...
Cannot add property sheet '%s' as it is either an invalid property sheet, or adding it would cause a circular inheritance ...
Cannot add property sheet '%s' as it is either an invalid property sheet, or adding it would cause a circular inheritence ...
cannot add some of the projects you have selected to source control because they are Web projects that are using FrontPage ...
Cannot add the control '{0}' to the design surface. This control is not available in the .NET Framework version that this ...
Cannot add the control to the design surface or bind to the control because the type {0} cannot be resolved. Please try to ...
Cannot add the following test because it is not valid: '{0}'. Make sure that the values of Id and TestType properties are ...
Cannot add the item because the following folder cannot be created in the project: {0}. A folder with the same name already ...
Cannot add the item. There already exists an item with the same name under source control that prevents this add operation ...