We'll try to be as exhaustive as we can.
Update Account
Classic error, which can happen if you're logged out from LinkedIn or using another automation tool, for example.
You can simply "Retry now" the job by updating the configuration or follow this article Retry multiple jobs at once.
Nothing to extract
In this case, nothing much to do 😅
Resource does not exist
We received a classic 404 HTTP code; nothing to do here, the resource simply does not exist 😉