VERIFIED SOLUTION i
User observes a error message "Your current session has been terminated by an administrator and you need to log in again" while performing any operation in DOC1 designer.
This error message is shown for a user who has been logged out by an Administrator.
ResolutionUPDATED: October 25, 2017
Administrator are able to see all the users currently logged in the DOC1 Repo, they also have option to log off a user forcibly via going into Menu Item-Admnistrator->Session,Selecting a user and log it off via logout button on the Right.
Once a user is thus logged out, any activity done by this user on the DOC1 designer opened on the client machine displays this error message.