i configured the PayPal Express checkout as well as PayPal Direct, and testing it on sandbox
Now i wanted to test it with the live paypal environment, i unchecked "Use Sandbox" from the Admin section payment area
Now when i added products in the card and clicked on checkout
Now different payment methods appears along with Paypayl checkout button
i clicked on paypal checkout
I got this error:
LongMessage: Security header is not valid
ShortMessage: Security error
ErrorCode: 10002
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
Exception Details: NopSolutions.NopCommerce.Common.NopException:
LongMessage: Security header is not valid
ShortMessage: Security error
ErrorCode: 10002
PLEASE HELP