A pawn was on c7. A rook of the opposing color was blocking it from c8. The player tried to make an illegal move c7xc8. A prompt appeared asking what piece they wanted to promote to. After that, it disallowed the move, as it should. Then, the player tried the illegal move c7-b8Q into an empty square. The prompt asked what to promote to again before disallowing the move.
A pawn was on c7. A rook of the opposing color was blocking it from c8. The player tried to make an illegal move c7xc8. A prompt appeared asking what piece they wanted to promote to. After that, it disallowed the move, as it should. Then, the player tried the illegal move c7-b8Q into an empty square. The prompt asked what to promote to again before disallowing the move.