gslitt91 set up a PayPal sandbox for me with both PayPal Express and PayPal Pro options.. I am unable to switch back to our origonal live payment option.
Am receiving a "Security header not valid " error message.
Please advise.
i have a question
gslitt91 set up a PayPal sandbox for me with both PayPal Express and PayPal Pro options.. I am unable to switch back to our origonal live payment option.
Am receiving a "Security header not valid " error message.
Please advise.