Error : Security header is not valid

[3fuster]

Array
(
    [TIMESTAMP] => 2019%2d05%2d08T19%3a13%3a05Z
    [CORRELATIONID] => 704076e94e92
    [ACK] => Failure
    [VERSION] => 109%2e0
    [BUILD] => 52688019
    [L_ERRORCODE0] => 10002
    [L_SHORTMESSAGE0] => Security%20error
    [L_LONGMESSAGE0] => Security%20header%20is%20not%20valid
    [L_SEVERITYCODE0] => Error
)

[iMansoorAliKhan]

Hi @3fuster ,,

I hope by now you may have found a solution to this, If not, then the issue seems to be with your PayPal API keys. Try adding correct one or generate new and everything will work as expected.

Thanks!

Mansoor