Client Authentication failed when adding PayPal to commerce?

[6ichem]

I keep getting this error when trying to add PayPal, I have added the correct client ID and secret. Why is this happening?

[Sonya*]

Are you sure you are using Live and NOT Sandbox credentials?

 

[Umaar]

Hi,

How do we use the sandbox to do a testing?

Thanks😊

[Sonya*]

Try this https://invisionify.com/guides/monetize-communities/paypal-sandbox/

[Umaar]

9 minutes ago, Sonya* said:

Try this https://invisionify.com/guides/monetize-communities/paypal-sandbox/

Thanks for your reply ☺️

From your given link, here's the answer 😔