Post by MugMan » Tue Jun 19, 2018 11:32 pm

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

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Post by straightlight » Sat Jun 23, 2018 1:23 am

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.

The most generated errors being found on Opencart forum originates from contributed programming. The increased counters are caused by posted redundancies of the same solutions that were already provided prior.

F. Rules:

- viewtopic.php?f=176&t=200480
- viewtopic.php?f=176&t=200804


Regards,
Straightlight


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