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[pil12]

We're sorry, things don't appear to be working at the moment. Please try again later.

I use a Magento e-commerce platform.

[MTS_Andre]

Hi, can you send any log of this error and  the website URL where I can run a test?

[pil12]

Hello Andre, 

Here's the URL http://displaypromotions.com/. 

Error log: exception 'Mage_Core_Exception' with message 'PayPal gateway has rejected request. Security header is not valid (#10002: Security error).' in public_html/app/code/core/Mage/Paypal/Model/Api/Nvp.php:1063

[MTS_Andre]

Ok, thanks for the log, it shows the API error 10002. The error 10002 can only arise for one of the following reasons:

1) wrong API credentials, check that you are using your LIVE API credentials for the LIVE environment and SANDBOX for the test environment. Also verify that the API credentials have been copied and pasted into your eCommerce correctly without any space before or after the value.

2) your cart/eCommerce is set to the wrong environment: check in your integration if it is set on LIVE or SANDBOX

3) wrong endpoint of your API calls, if you developed the integration on your own check at this link if it is correct, while if you are using an eCommerce solution check eventually with the module developer

Also check that in your integration is not set the environment TEST anywhere that would bring you in a Sandbox environment rather than LIVE.

[haianh19831990]

i buy on web www2.hm.com and www.direct.asda.com... still error even i try other account. 

[PayPal_Tricia]

Hi @haianh19831990, 

I'm sorry to hear of the trouble sending a payment. If you're still running into this error, please reach out to us for assistance. The community forum is for customer to customer help and wouldn’t be able to provide account specific details.

I recommend contacting a PayPal specialist directly at paypal.com/contactus for additional assistance. PayPal can also be reached on Facebook at Facebook.com/PayPal and on Twitter at @AskPayPal.

Thanks, 
PayPal_Tricia