Personal repos are often hosted on free or low-cost infrastructure. The server may be temporarily down, or Karen may have stopped maintaining the old domain entirely.
The repository cydia.akemi.ai (Karen's Repo) frequently experiences downtime or connectivity issues, often resulting in a "request timed out" or "503 error" Common Solutions cydia.akemi.ai not working
If you cannot add a repo, you can manually install the packages. This is often the safest way to ensure you are getting the official version during downtime. Personal repos are often hosted on free or