debug vars

zimbraSingle.php

@@ -110,7 +110,7 @@ function zimbraSingle_ChangePackage($params)
 
 function zimbraSingle_ConfigOptions()
 {
-    global $whmcs;
+    $whmcs = App::self();
     $response = zimbraSingleConfigOptions($whmcs);
     if($response) {
         return $response;