Hi
I have always used opencart PayPal express checkout without problems.
Now on a new opencart install I get error "Security header is not valid"
Any ideas please ?
Thanks
Roy
Try the latest OC version on a test folder and see if the same issue can be replicated. I did received a newsletter email from PayPal, this week, regarding the new PCI-DSS compliance policy that requires the change to PayPal's API.
Dedication and passion goes to those who are able to push and merge a project.
Regards,
Straightlight
Programmer / Opencart Tester
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