Hello! You have created 6 DcMotor objects in your code. But you're only getting references for 5 of them. If you add a line like the code below, it should fix the error.
Code:
liftScissor = hardwareMap.dcMotor.get("*what you named the motor in the configuration on the phone*");
Hope this helps!
Katie
FTC 3595
Schrödinger's Hat