This indicates that JUQ-772-U.part12.rar is either missing entirely or its file size is smaller than it should be, meaning the download cut off prematurely.
This means the data inside JUQ-772-U.part12.rar was damaged during transit. JUQ-772-U.part12.rar
Potential issues when working with part12 rar files include missing parts, which can corrupt the entire archive, damaged files during transfer, or incorrect extraction if the user tries to open part12 without the previous parts. Users should verify the integrity of all parts before extraction. This indicates that JUQ-772-U
RAR (Roshal Archive) is a proprietary archive format that supports splitting a large file or folder into smaller chunks. Each chunk is named sequentially, e.g.: which can corrupt the entire archive