Error in getting madule

Client error: `GET https://akaunting.com/api/modules/paid` resulted in a `401 Unauthorized` response:
Unauthorized.

<p><span style="color: #222222; font-family: Helvetica, Arial, sans-serif; background-color: #e0e0e0;">Client error: `GET https://akaunting.com/api/modules/paid` resulted in a `401 Unauthorized` response:</span><br style="color: #222222; font-family: Helvetica, Arial, sans-serif; background-color: #e0e0e0;" /><span style="color: #222222; font-family: Helvetica, Arial, sans-serif; background-color: #e0e0e0;">Unauthorized.</span></p>

Where do you exactly get this error? Any screenshot?

<p>Where do you exactly get this error? Any screenshot?</p>