If you are moving saves between mobile and PC, you can manually reset the security keys.
Copy the entire contents of the save folder from your .
When Ren’Py first launches a project on a specific device, it generates a unique cryptographic "salt" or token. This token is stored in a file usually named persistent (found in the game's save directory or %APPDATA%/RenPy on Windows). This token is hashed into every save file you create. renpy this save was created on a different device link
Ren’Py uses Python’s pickle module to serialize game data. When you save your progress, the engine captures the exact state of variables, images, and script execution points.
If you are developing or playing Ren'Py visual novels across multiple platforms—perhaps moving from your desktop computer to an Android phone or a laptop—you may have encountered the jarring message: If you are moving saves between mobile and
Set the target device to sync to that exact same cloud folder.
It prevents unintended errors from loading data that might reference files or paths that don't exist on the new device. How to Link Devices and Sync Saves This token is stored in a file usually
: On the new device, select "Download Sync" and enter that code to transfer both saves and persistent data securely. Why this happens
If you are a visual novel developer, you can configure your Ren’Py project to allow players to sync saves across devices without errors. 1. Define Unique Save Directory Names
or "Proceed" when the warning pops up. Ren'Py is generally good at reconstructing the state, though you might see minor glitches or missing images for one or two frames [1, 4]. Sync Persistent Data: If you are manually moving files, ensure you copy the persistent file located in the /game/saves/ folder or the %APPDATA%/RenPy/ directory alongside your files [2, 5]. Check Game Version:
Load the game, open the file, create a fresh save slot, and delete the temporary text file. How to Fix the Error (As a Game Developer)