Empty intents on unity

[giorbot]

I'm trying to build an app on unity but when i input in the Understanding viewer an utterance (identical to one I've used for training) the response give me back the entities but an empty intent. Same issue in Wit.ai when i try the http API.

[sevPuch]

Exact same issue, plus if I use a very similar model I trained last year, I get intents correctly (got more utterances there, but it worked with fewer as well...) !
But new model isn't yielding any.