You must have a futures and forex data feed to use our expected volume even on forex only pairs to use real volume versus fake tick volume. You can turn off the futures forex volume but you will pay for doing it and you can get the data free so why not get the best data you can.
If this is forex. If the stop time is 5-6 PM ET futures are not open and we use the futures forex volume for spot forex not fake tick volume. So during this hour so there is no volume as futures forex is not open it will resume at 6 PM ET.
Also check to make sure your futures data feed has not expired. If so request another data feed from AMP/CQG using the links provided in the menus above.
Ensure you do not have futures/forex data feeds either one set to connect on startup.
When you open nt7 connect to futures FIRST - then after connection confirmed connect to forex