Error consuming OData Service

Hi guys,

I tried to follow this blog Build a SAPUI5 app with the AppBuilder consuming a NW Gateway service - series 2 of 2    to create an OData data source, but I get an error:

Nothing more

I'm running AppBuilder on premise, on client's server and I have access on the same machine to the service provided by the Gateway system.

Any ideas?

Thanks,

Marius