Same error sir, I have checked and paste the Client ID as shown in my PayPal developer account, and also added PAYPAL_ENVIRONMENT = 'sandbox' in my se...

Please checkout my GitHub link as shared above and while making payment, it is not showing any error on the terminal instead showing "Things don't app...

@mohaiminul-islam While creating the super user I have not provided the phone number. Hence while creating a normal user, I was getting the error. Tha...