APP stopped responding from code & twurl - UNAUTHORIZED_ACCESS

[txadsapi]

Hi,

I have a twurl command that worked before - and now its not.

twurl -H ads-api.twitter.com "/0/accounts"

response:
{"errors":[{"code":"UNAUTHORIZED_ACCESS","message":"This request is not properly authenticated"}],"request":{"params":{}}}

My app ID: 8367733

Best Regards,
Idan