Cashapp failed for your protection - Complete Guide - To Fix This Issue Technically, Cash app transfer failed occurs when bank server is down or internet connection is not working. There are a number of reasons why Cash App can prevent you from sending or receiving money to Technically, Cash app transfer failed occurs when bank server is down or internet connection is not working. There are a number of reasons why Cash App can prevent you from sending or receiving money to Cash App contacts. https://cashapphone.com/blog/cash-app-transfer-failed