I cant play from this position

I tried to play a game against AI level 6 from following position.

lichess.org/editor/rnbqkbnr/pppppppp/pppppppp/8/8/PPPPPPPP/PPPPPPPP/RNBQKBNR_w_KQkq_-

but it is nit starting a game.

I just like to try a fancy game with two layers of pawns.

I don't think lichess will let you have more than 8 pawns for each color.

One way you could technically play against the computer in that position would be to click "Analysis Board," followed by "Practice with computer" (next to the Opening book).

It isn't the same interface as a standard Lichess game (and it will declare every move you make a "good move," inaccuracy, or blunder, which can be annoying), but you'll still technically be able to play a game.

Thank you !!!

I think there was a concern because in some positions Stockfish freezes, but lately I haven't seen any such positions.