A. 1. Reissue Virtual Card: If your virtual card is not working, try reissuing it through the app settings. This can often resolve issues related to card functionality. 2. Check Expiration: Ensure that your virtual card has not expired. If it has, you will need to generate a new one.

B. 3. Update App: Ensure that you are using the latest version of the app, as updates may fix bugs related to virtual card functionality.