Bob, do you have an update on this problem? As I say, I am under pressure to find a resolution.We have created a second project and it exhibits the same issue. I created a very basic HTML-JS web app as a test and the Preflight initially worked when this was the only content included in the build. However, preflight then failed when I attempted to add the real web app and subsequent efforts with the basic web app have failed as well.The major problem is that the system is not telling me what the ...

Thanks for the response Bob.I don't think that it's a problem with the PDF. The PDF is just one of many attempts at preflight'ing an article. I've been trying to publish a web app packaged as a .article file with the same result. This was all working for me a few days ago and then yesterday, it stopped.I've created a new app in the console but I can't seem to find a way of associating a collection with the new app. I'm not an admin on the project. Perhaps that's the problem.