What HTTP status code 401 indicates internal server error?

Related questions

1. Why would I get a 403 Forbidden error?
2. What causes 403 Forbidden error?
3. Why does 403 Forbidden error occur?
4. Can I use IP address instead of URL?
5. What is a 303 status code?
6. What does error code 303 mean?
7. What does HTTP Error 303 mean?
8. Why does it say webpage not available?
9. What does it mean when it says URL not found?

Tags

1. #authentication
2. #password
3. #usually
4. #lacks
5. #refused
6. #included
7. #applied
8. #valid
9. #username
10. #credentials
11. #those
12. #request
13. #authorization
14. #because
15. #status
16. #indicates
17. #response
18. #resource
19. #target