<br />
<b>Warning</b>:  Undefined array key "tnk" in <b>/home/lemuzndp/api.nessocloud.com/paypal_checkout.php</b> on line <b>90</b><br />
39.99 39.99 0.00SetExpressCheckout failedArray
(
    [TIMESTAMP] => 2025-09-07T03:31:44Z
    [CORRELATIONID] => c51d6e0da67bf
    [ACK] => Failure
    [VERSION] => 204.0
    [BUILD] => 59015284
    [L_ERRORCODE0] => 10002
    [L_SHORTMESSAGE0] => Security error
    [L_LONGMESSAGE0] => Security header is not valid
    [L_SEVERITYCODE0] => Error
)