Every time i try to test an order from my store i get this message:
Error 10002Security error: Security header is not valid
Does anyone know why this is?
Hello!
Every time i try to test an order from my store i get this message:
Error 10002Security error: Security header is not valid
Does anyone know why this is?
This error may appear when the PayPal access credentials are incorrect.
Please, check that you have specified the data correctly in the payment setting - without any commas or extra white spaces.
Best regards,
Also please make sure that test credentials are not used in live mode and vice versa