I'm working on a 28 page Indesign document and it refuses to export to pdf (of any size) - all the links are in place, I even started it again in newly installed CC2021 from an earlier version and still no luck. I've tried the IDML route (that doesn't work) and every other fix I could find via google - it seems to be a popular issue but still I can't get a resolution. Background tasks just get stuck, alert me to a failed pdf but give no other reasons.
I've worked with Indesign for 20 years and never been so frustrated! I need to print ready pdf. Help!
Seconding the recommendation of @vladan saveljic .
Most often such export problems are due to problematic EPS or raster image files placed into InDesign that don't quite meet the specifications for their file formats.
The “divide and conquer” approach suggested is the best way to diagnose exactly what page the problem occurs on. After that, selectively remove graphics to find which is the source of the problem.