You cannot add the specified reference to the project because it would cause a duplicate reference or a circular relationship.
You can't send Web pages as attachments. Choose Save As to save this document in another format, and then choose Mail Recipient ...
You cannot add a new item or modify an existing one because this list has been customized. Contact a workspace administrator ...
You cannot add a source controlled file to an uncontrolled solution/project. Please add your solution/project to source control ...
You cannot add extensions directories after extensions have been loaded. Only the owner of the process should call Exten ...
You cannot add the specified reference to the project because it would cause a duplicate reference or a circular relationship. ...
You cannot assign a group as a site owner or secondary contact. Please try again, and specify an individual user account. ...
You cannot cancel this operation. Either specify new valid source control bindings, or disconnect the appropriate projects. ...
You cannot change the access level of Owner. Any user authoring a new form from this template is given Full Control to the ...
You cannot change the chart type to a stock chart. A stock chart requires three, four, or five series of data to plot a single ...