error code

[freedom1701]

Hello
I have a problem with autoscan plex
here is the error code:

2021-03-13 13:26:41,615 - WARNING - PLEX [140082640058112]: Checking again in 15 seconds (attempt 50)...

2021-03-13 13:26:58,333 - ERROR - PLEX [140082640058112]: Unexpected response when checking if Plex was available for scans (Attempt: 51): status_code = 401 - resp_text =

<title>Unauthorized</title>

401 Unauthorized

Can you help me?

Thank you