Do you use approved by PayPal application?
You will have to create application and PayPal has to approve it.
Then, you will have to use the credentials of that application.
Here you are more information.
Hope is the first step that leads todisappointment
Thank you received: 6
Yes, I had all Paypal permissions to use your component in SandBox and Production. But the problem does not seem to come from there, because the transaction is well passed to the level of Paypal, I find well in my Paypal account Donor side the capture of payment, everything works well at this level in SandBox or Production. But in production mode, nothing is registered at my site. It is as if there had been no transaction.
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