haotiger Posted April 3, 2014 Share Posted April 3, 2014 Hi, everyone. Today, i configured Paypal Europe v3.6.6 in prestashop 1.6.0.5. but i have checkout error, i don't know how to resolve this error. This is my setting information. Already have a PayPal Business account ? yes chose website payment standard. API User Name xxxx API Password xxxx API signature xxxx Express Checkout shortcut: yes Use a Sandbox: live mode Payment type: Direct sales That is error. Error occurred: Please try to contact the merchant: <b>PayPal response:</b> TIMESTAMP -> 2014-04-03T17:17:16Z L_ERRORCODE0 -> 10002 L_SHORTMESSAGE0 -> Security error L_LONGMESSAGE0 -> Security header is not valid L_SEVERITYCODE0 -> Error how do it ? thank you. Link to comment Share on other sites More sharing options...
Image_in_air Posted April 4, 2014 Share Posted April 4, 2014 (edited) Hi, this is a "classic", the point is to enter MANUALY the API password and the API signature because the copy-paste doesn't do it well. Please check also that the files permissions in the API folder in the Paypal module folder are set to 744. Hope it helps. Edited April 4, 2014 by Image_in_air (see edit history) Link to comment Share on other sites More sharing options...
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