A "save data repack" typically refers to the process of modifying or reorganizing saved game data to make it compatible with different versions of a game, to cheat or gain advantages, or simply to transfer progress between different platforms.
Before applying any modified data to your game directories, understand exactly where your system stores information. Step 1: Locate the Default Save Path
Complete Guide to Locating, Backing Up, and Moving Village Rhapsody Save Data Across Repacks
Note: The AppData folder is hidden by default. To view it, open File Explorer, click the tab at the top, and check the box for Hidden items . 2. The Game Installation Directory