The Cash App your bank declined this transfer is an issue due to a server problem. Maybe your bank could not respond to the Cash App; hence the transactions do not occur. If your bank's server down, it will not support any transactions. Cash App money transfer failure is one of the most common problems that users often face. Some Cash App is not responding; then there may be an issue with money transfers. To complain about this, you have to contact the Cash App customer service or the bank executive to understand this situation.