Cash App won't let you add cash, +1 855 233 1940 there can be multiple reasons behind it. If you are using a digital payment app like Cash App then, you should learn how to deal with different transfer failed, payment pending and refund related issues. If Cash App add cash failed, you have to find the possible error behind the same. The possible reasons behind such a transfer failed are:
Primarily, these are the common issues for add cash failed on Cash App. Therefore, you should keep enough balance in your bank account. Ensure your debit card is valid and update your Cash App. Check network connectivity before initiating the transaction. Contact Cash App support if your problem does not solve.