At a junior girls match, the R2 and scorekeeper are players performing their work-team duties.

Team A #7 serves and loses the rally.  Team B serves and loses the rally.

Team A coach asks the scorekeeper “who is my next server?”  The scorekeeper responds “#7″.  With this incorrect information, Team A #7 serves.  Team B notices the error and brings it to the R1′s attention after the rally.  The scorekeeper admits “I gave the coach the wrong information”.

What is the correct outcome?