Did a search using the wording in your question and found the link below. It looks like it might have been generated by an AI but it might give some clues.
https://www.ehow.com/info_12168918_murray-riding-mower-stuck-neutral.html
I also found this:
https://m.youtube.com/watch?v=3zYgS5AOYAU
Fhuu, October 2023