Curl error: SSL certificate problem, verify that the CA cert is OK. Details: error:14090086:SSL routines:SSL3_GET_SERVER_CERTIFICATE:certificate verify failed
ate_libs.php find string:
$rsp = curl_exec($curl); // get the file
add before:
curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
the plugin will be work fine.