Problem: If your N-Able N-Central inspector is failing with a 401 you can follow the below and that should bring the system back online
Steps to Resolution
Change the Liongard service account password in N-Central
Then regenerate the Liongard service accounts' API key
Add the new API key into Liongard for the N-Central parent inspector
Run N-Central parent inspector using Debug and Clear cache option
This should allow the system to land completed once more
Outcome: The inspector should start landing completed and no longer failing with a 401 error
Alternatives: If the 401 error still persists please reach out to support!