: This is the most common issue. Delete Part 14 and re-download it.
: A middle segment of the data stream. You cannot "open" this file individually; it contains raw data that only makes sense when combined with all other parts. How to Extract Successfully M&B2BBDD.part14.rar
If you receive a "Checksum Error" specifically pointing to Part 14: : This is the most common issue
: Use the latest version of WinRAR or 7-Zip . Older versions often throw "Header Corrupt" errors on modern multi-part archives. M&B2BBDD.part14.rar