ERROR ACTIVATING INTUIT CREDIT CARDS QB POS V12

If tyou get an error Activating Credit Cards in QB POS v12 after an upgrade from a previous version. Go to Help > About QB POS > click on Logo, press BD all together 2 or three times, click OK, got back to HELP you see Debug at the bottom Select DEBEG > Merchant Account > Remove Upgrade Flag. Exit QB POS, restart and try to Activate Credit cards again