If you use the wrong credentials to login your Cash app account again and again, then chances are more to your account gets locked. It basically happened to secure your account from any hacker. So, in this scenario, you can ask the Cash app unlock account by providing your legal details. You have to also ensure that, you never share your account info with anyone.https://www.cashapphelps.net/blog/send-money-from-paypal-to-cash-app/