you for reaching out on the community and telling us about your issue. I do apologize for the issue you're having. I do recall some other users experiencing some similar issues with Regions bank as well but in any case to start off here I would recommend taking a look at the article down below to start off.
Once you're able to try out a couple of steps listed in the article let us know if you're able to get through if not we'll see what we can try next.
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