I just went from an older version of macbook pro to the new M1 with Monterey. Whenever I get the issue you are all talking about I have to take the hard drive to my old mac and mount it there. After that, it works again on my M1. I guess it's the same as with the iPad solution. I just wanted to post it as I see a patters here. Obviously there's some bug in Moneterey and other OS systems are able to fix it, but not Monterey. So weather you have an Ipad or another mac with a different operating system, then it should work. Hope they fix it in later versions