MSBuild Fail Error: The path is already mapped in workspace WORKSPACE NAME

MSBuild Fail Error: The path is already mapped in workspace WORKSPACE NAME The complete error was "error: The path C:\Builds\RiteshTest\Sources is already mapped in workspace 2113_459_MachineName" This error occurs when you already have one Workspace defined for one Build definition and again you are trying to create new build definition on the same Workspace. To solve this error go to the build agent and change the working directory for your new Build Definition