PWM cannot be enabled

Thank you for your reply.

I know how this story goes.
After all, it means I have to bake Jetpack into Jetson again, right?
I was recommended that way by you,but in the end the problem was not solved.
I also told you that things were not going well at that time, but you never asked me for advice.
So this is how I created this topic.

I would like you to reply as a conversation, not as a canned response.
Why am I going through all this trouble to do something as simple as “output gpio, a jetson feature”?
I would like all solutions to be explained in a precise, step-by-step manner.