Fflreshigh.dat Repack -
on an actual Wii U console can sometimes indicate underlying data corruption or hardware failure in the eMMC (internal storage), which may involve these system files during a factory reset. Further Exploration View community discussions on regarding specific file placements for emulating Sonic Lost World Read about repairing Wii U system errors on to understand how failing storage affects system data. Are you trying to fix a specific error in Cemu, or are you manually installing system files for a particular game?
: If you own a Wii U, you can use homebrew tools to dump your system's NAND and locate the file under the system's content folders. MiiJS - GitHub fflreshigh.dat