Yeah I am familiar with Bill.com but another paid third party app is a poor solution as Melio is included integrated payment App for Quickbooks online paid subs...
This seems to be a non specific answer not applicable to an integrated app like Melio. In any case I tried a new browser and still the same error came up.
Had high hopes for Quickbooks payments and have a tone of difficulty making it work with Melio. Seems very buggy and response and follow up to questions I have ...