Studies not working

A position where black has kingside castling rights but not queenside?:
rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQk - 0 1

Guys, are you missing something? @thibault founded lichess and can access the code.

Seems to be working fine now! 👍