PDF from Indesign failing on iOS devices Having a real crisis working this one out. I've been making very similar PDF's for years, suddenly with the same basic setting my PDFs are failing on the client's iPad.When opened in iOS (my phone too) the PDF shows the first page, then flashes a number of times (possibly the number of pages) and then shows the generic grey PDF screen (filename, PDF/***, filesize).When I use Acrobat to analyze the file I see "Key Missing though required by other Key". All my attempts to track down what's causing the error lead to frustration. I think I need someone who knows what these errors mean to weigh in. I can't really find anything informative online. Thanks in advance to anyone who can provide any insights. I'm baffled. P.S. Everything up to date, MacBook Pro M3, Sonoma 14.4.1, Indesign 19.4.0.63. Id send the offending PDF settings, but I've been playing with them and of course, indesgin doesn't allow for easy saving of PDF settings, just the old default to