Add this to your options.rpy :
Ren'Py save files use the format, which is highly flexible but can be used to execute arbitrary code on a computer if the file is maliciously modified.
If you are modifying stats with an editor or moving an external file onto your PC, altering your system's global tokens will bypass the device verification wall. Step-by-Step Security Token Reset: renpy this save was created on a different device link
If you want to move saves without encountering this error frequently, consider using the official Ren'Py Sync On the original device: "Upload Sync" in the game menu to get a 10-character code. On the new device: "Download Sync"
This is a common issue with games when moving save files between different operating systems or versions of the game engine. Why it happens Persistent Data Mismatch: Add this to your options
Ren'Py tracks "Persistent Data" (like unlocked CGs or endings) separately from individual save slots. How to Sync Saves Between Devices
This feature is meant to:
If you are a player trying to force a save file to work, the issue often stems from the game's persistent data file not matching the save file. Step 1: Locate your Save Directory
If the game does not support Ren'Py Sync and you must move files manually via a flash drive or cloud drive, follow these rules to properly declare the files. Where Ren’Py Looks for Saves On the new device: "Download Sync" This is
Use Ren'Py Sync , a built-in SDK feature that allows secure transfer of saves and persistent data via a 10-character code.