You are currently connected to a Project 2007 compatible server.}The file you are working with was created in Project 2010 ...

{You are currently connected to a Project 2007 compatible server.}The file you are working with was created in Project 2010 and can only be saved to the server if it is converted to Project 2007 format.  Click Yes to save a copy of this file in the Project 2007 format to the server. Click No to cancel.