Open a PDF (new Document) then Save the PDF (doc.Save) without doing anything else and the Save will fail with a nullreference exception. I am running a current version of Dotnet core.
$ Dotnet --version
3.1.101
To c…...current version of dotnet core. $ dotnet --version 3.1.101 To...looking stack trace below… $ dotnet run Unhandled exception. System...