When I am saving emails as pdf, some of them get the message that reads: "Adobe Acrobat could not open (file name.log) because it is either not a supported file type or because the file has been damaged (for example, it was sent as an email attachment and wasn't correctly decoded). To create an Adobe PDF document, go to the source application. Then print the document to Adobe PDF"

However, none of the emails and files that I have tried to save as PDF files were actually attachments. This has been happening too frequently, and I need to have the option to save it as a pdf ASAP.

Could you please explain what is happening? Thanks.