public static void reinitiate(){
  CLIENT_INSTANCE=new FrequencyGrid();
  SERVER_INSTANCE=new FrequencyGrid();
}

public static void reinitiate ( ) { CLIENT_INSTANCE = new FrequencyGrid ( ) ; SERVER_INSTANCE = new FrequencyGrid ( ) ; }
called to re - initiate the grid . used when server restarts or when player rejoins a world to clean up previously registered objects .
