Exact URL where the bug happened
https://lichess.org/training/replay/30/mix

Steps to reproduce the bug
Go to puzzle dashboard
Replay failed puzzles
Succeding all puzzles to replay.

What did you expect to happen?
Redirecting to the puzzle dashboard. (without prompting any popup)

What happened instead?
Showed an alert popup saying : "No more puzzles available! Try another theme."
After clicking ok, redirecting to puzzle themes.

Operating system and browser version
Windows 10
Chrome 109