Code :
var doc = new Document(filename);
doc.Save(fileout, SaveFormat.Markdown);
Error stack :
System.NullReferenceException: Object reference not set to an instance of an object.
at #=zFz9$AL7bjxwHUuimODfFc8swDug…...0 C#8 on Windows. sergei.shibanov May 22, 2025...