Subdomain: IP Address map to subdomain fails

[praveenHp]

Describe the bug
The mapping of IP Address to subdomain fails at https://mon.school/account/subdomain. I see 401 and 500 errors in browser console whenever I click on Save button

To Reproduce
Steps to reproduce the behavior:

1. Go to 'https://mon.school/account/subdomain'
2. Enter IPAddress of the Digital Ocean deoplet
3. Click on 'Save'
4. No messages are seen
5. Check console for errors

Expected behavior
After successful mapping, I should be able to access my droplet with subdomain. That's not happening

Screenshots

Desktop (please complete the following information):

• OS: macOS Monterey
• Browser Firefox
• Version 103.0