: If part .014 is present but .005 is missing, the extraction will fail with a "Payload Error" or "Unexpected end of data."

: Ensure you have every numbered part of the sequence in one directory.

A report on "Epub 7z 014" typically refers to managing multipart compressed archives—specifically the 14th segment of a 7-Zip split volume containing an EPUB eBook. Technical Analysis: Epub 7z 014