PayPal is used for online transaction and for receive and send money purpose. but like others digital wallet PayPal also face many time technical issue . This error come due to internal error on PayPal server. When you try to transfer money to someone it showing error message "PayPal unable to complete your transaction due to server error" this type error show in mobile display. If you want to know why this message come and what is his solution then come to my website and read my blog.