Cash App Error Codes fail most frequently due to server issues. A number of other factors can lead to a failed Cash App payment.Through Cash App, we ensure cash app balance maximum security for our customers. Thus, adding money to the cash app may be subject to review, so the transfer may be delayed. Your debit card can be used to send money as soon as you're done. For those of you having difficulty adding cash, we will be happy to help. In order to protect your personal information, you cannot withdraw cash from your new card until all security procedures are completed.