UPDATE: After 10 days I have been approved for the DTV visa.

After been asked for a NIE (document for foreign residents in Spain) I sent my DNi from my native country expecting to be rejected and denied the visa.

But, they then required a hotel booking for proof of location or rental contract or letter of invitation(even though already sent it when initially applied).

This was checked on the same day and got the approval in the evening on my email 🙂

I applied for my DTV in Spain but I'm from another country, I few weeks ago a british guy got it approved here and as a proof of location he added his airbnb reservation so thats what I also attached. I'm now being requested as an extra documentation a NIE which it's a document that only Spanish residents own. Any advice on how to proceed?