We are using Discourse as a knowledge base with a lot of documents. Since yesterday, not all PDF-files can be opened anymore. When clicking the link to download the PDF-file, a new page opens with the notification ‘Oops! That page does not exist or is private.’.
This is not for all PDF-files we have on the forum. We already looked at file size, file name, different applications to change/save PDF-files, as well as creating new posts, but unfortunately we could not find the problem. Strange thing is everything worked last week, there was no update of anything at all (including plugins etc.).
Anyone knows how to solve it?