To remove previous credit card information that maybe left over from the previous gateway after switching, you will go to
  1. School Website > Content > Store
  2. Shopping Cart 
  3. Uncheck Credit Card 
  4. Click Save & Exit 
  5. Recheck Credit Card 
  6. Click Save & Exit 
Once you do this your form Store should display with the correct Credit Card Payment options and you will be able to access the Secure Payment Page