God, help me!
I can't do this password rule 16.
It wont let me send it
If you can't send screenshots, try verifying the email address associated with your account, at https://www.chess.com/settings .
You can just set up the position on https://www.chess.com/analysis and turn on the engine.
maybe you forgot a + sign meaning check?
I had this problem too, but after writing a + symbol, it let me go onto question 17