Have you ever thought why sometimes you can't login to Cash App? According to the Cash App customer service there could be so many reasons. Either there could be a complex or simple reason for such Cash App sign in problem. Being unable to access your Cash App account means neither you can send or receive money to and from your contacts. In addition to that, if you are a new user you will not be able to activate your Cash App card and enable Cash App direct deposit. All these complications make this problem more terrible and serious. But, a piece of good news is that this disgusting problem has one simple solution.