For the sake of the security and privacy of the Cash app users, the Cash app usually fails your payment transfer. Without a doubt, the Cash app monitors your Cash app carefully and it finds out that you're entering wrong payment details several times and then, it automatically cancels your online transactions. If you are facing the same hurdle and want to get rid of it then, you need to have a conversation with the cash app customer service either with the contact number or by reporting an issue in your Cash app account. We have mentioned a link here so that you can talk to Cash app representatives and learn more about the Cash app. https://www.contactmail-support.com/customer-service/cash-app