Hey @Harold21,
Please provide a little bit more info about your issue. What exactly happens when you try to pay for Premium using PayPal?
Let me know. Thanks 🙂
Are you able to post a screenshot of the error message?
Please take a look at this PayPal troubleshooting support article: https://support.spotify.com/account_payment_help/payment_help/having-problems-using-paypal/
Thanks!