knplabs/knpbundles — comment on commit 3f5c86d984e307d0308b009bc3b1656e5cf7fde0
File: src/Knp/Bundle/KnpBundlesBundle/Controller/MainController.php line 46
By stof:

this service does not exists. The response is not in the DIC. You must modify it after creating it (which is done by ``render`` as you don't pass a third argument here). The same issue appears in many places in this commit