Error was not declared in this scope after new computer (windows 11)

[anon73444976]

@riannev

pinMode(A0, INPUT);
pinMode(A1, INPUT);
pinMode(A3, INPUT);
pinMode(A5, INPUT);
pinMode(A7, INPUT);
pinMode(A9, INPUT);
pinMode(A11, INPUT);
pinMode(A13, INPUT);
pinMode(A15, INPUT);

A waste of code space - you're doing analogRead on all these pins.