The app is not working or giving response to user instructions. This problem is rare but when it arises it means you are in deep trouble. This technical problem can occur due to various reasons such as device compatibility, server error and so on, How do I contact Cash APP by phone? If you are also facing this issue then dial and contact Cash APP by phone. The support team of the app will provide you the best solutions. https://www.marketplace-help.com/cash-app-support-number/