You are missing a part of the archive. Download all pieces before trying again.
One of the parts is likely corrupted. Try re-downloading specifically the part mentioned in the error (e.g., Part 2). P30pl3H4t3W3dd1ngHDR.yamil.part2.rar
Do you have of this file, or are you seeing a specific error message when trying to open it? You are missing a part of the archive