Hello @Pete Creedon,
Thank you for reaching out to the Quicken Community with this issue.
My internal systems are currently showing the Apple Card biller as degraded, this means that there is a current issue occurring within the servers, which could be contributing to the issue that you are experiencing. Our teams are investigating and working to fix the issue, however, there is no current ETA.
I do apologize for any inconvenience in the meantime.
You are very welcome.
Please do not hesitate to reach out with any further questions or concerns!