Firefox Tekoha Aty

When there is a field to fill in my credit card info, the info will appear and let me select the CC I want to use but when I move away from the field the CC info goes away.

When I am using the Firefox browser and am on a site that asks for my email, there is a Firefox dropdown with a list of email addresses. There are many email addresses on this drop down list and I cannot find where I can edit that list.

Nothing is the Autofill settings comes up. Where is that list of autofill email addresses?

The autofill card details isn't working. When I try to I get the message "You have no saved cards."

When I go into the Privacy & Security tab I can see that I have a number of cards saved correctly.