Replies: 0
The error says “Error Code: 10002; Security header is not valid” when testing the invoices. Once I have created the invoice and have the link to that invoice, it displays that error when I hit pay with PayPal on top.
Replies: 0
The error says “Error Code: 10002; Security header is not valid” when testing the invoices. Once I have created the invoice and have the link to that invoice, it displays that error when I hit pay with PayPal on top.