Unless i’m wrong and the files got corrupted because of something else, it happened to me in the 3D software Sketchup, in indesign, illustrator and acrobat. Acrobat is by far the worst offender. PDFs are just unstable messes in general when trying to work on them.
I’ve never seen that, and not sure how any system could be so badly designed to permit this.
And I’ve been using systems since DOS 1.1 (and punched cards before that).
Unless i’m wrong and the files got corrupted because of something else, it happened to me in the 3D software Sketchup, in indesign, illustrator and acrobat. Acrobat is by far the worst offender. PDFs are just unstable messes in general when trying to work on them.