debug usageupdate

zimbraSingle.php

@@ -240,7 +240,7 @@ function zimbraSingle_UsageUpdate($params) {
         ->get();
     foreach((array)$productsObj as $productArray) {
         foreach($productArray as $productObj) {
-            $product = get_object_vars($productObj[0]);
+            $product = get_object_vars($productObj);
             logModuleCall(
                 'zimbrasingle',
                 __FUNCTION__,