Older versions of 7-Zip or WinRAR struggle with multi-part archives that use newer Zstandard or LZMA2 compression algorithms common in modern repacks. Step-by-Step Fixes for God of War Ascension
If you are using a torrent client or a download manager, the files might have passed a basic check but still be internally corrupted. god of war ascension gnarly repacks7z009 fix
If you downloaded the repack via torrent, use your torrent client to "Force Recheck" the files. Older versions of 7-Zip or WinRAR struggle with