Test Payment - Internal Error
 

So many errors, I'm sorry.

I'm in Settings, Payment Configuration in xpayments and I have entered all the settings for PayPal WPP Direct Payment
API Access Username etc, all copied from the xcart settings

When I click Test Transaction I get Internal Error

The log show:

ERROR [2012-21-06 12:13:17]
User: tech@paperwhimsy.com; IP: xx.xx.xx.xx
Zone: Core
Code: CURL_EXEC_ERROR (216)
CURL library: error while sending the request to remote server "https://api.sandbox.paypal.com:443/2.0/". Error: "#35: error:14094418:SSL routines:SSL3_READ_BYTES:tlsv1 alert unknown ca"

Affected systems: Core/Bouncer.php file (180:assert); Core/Bouncer.php file (295:getResponse); Model/PaymentConf.php file (944:sendRequest); Controller/Admin/PaymentConf.php file (342:processTestRequest); Core/Controller.php file (181:actionTest); Controller/Admin.php file (273:process); Core/Dispatcher.php file (148:process); Application.php file (156:dispatch); /home1/paperwhi/public_html/store/xpayments/admin.php file (26:run)

Any idea what I'm missing?