Alternatively, I've set up a debug version of the game with a visualiser on the main menu which should tell you what is sending the incorrect input. Can you download from this link and let me know what you see? A screenshot would be best. Thanks!
https://drive.google.com/file/d/1LTbVn9qcQ-77nz0g76Y1H0V9hu54O2iC/view?usp=shari...