update createAccount

app/Http/Actions/CreateAccount.php

@@ -73,7 +73,7 @@ class CreateAccount extends AddonController
         $api = new KerioConnectApi('whmcsKerioEmail', 'Thurdata', '1.0');
         try {
             $api->login($params['serverhostname'], $params['serverusername'], $params['serverpassword']);
-            $result = $api->sendRequest('Domains.create', $params['domain']);
+            $result = $api->sendRequest('Domains.create', [ $params['domain'] ]);
 
             logModuleCall(
                 'kerioEmail',