bugfix

app/UI/Admin/Product/Providers/ProductProvider.php

@@ -507,7 +507,7 @@ class ProductProvider extends BaseDataProvider implements AdminArea
         $this->configuration->flush();
         sleep(1);
         //save
-        $this->configuration->fillAndSave($values);
+        $this->configuration->fillAndSave((array)$values);
 
     }