Thanks for posting and welcome to the community! In your case, since you have a SME account and there are parent and child accounts involved, that may be why you're unable to update your billing information online. The e-mail address associated with the parent account should be able to make account changes online. Otherwise, our SME billing support number is 1-800-347-3272, they can help update your payment information, this number is different from our general support line ending in 3292.
... View more