This is usually caused by Ubisoft’s cloud sync. Ensure you are offline or have disabled the sync feature before launching the game after an edit.
Ensure your save is "decrypted." Some editors require you to use a separate tool like the "Save Game Decrypter" if you are playing a specific version of the game. far cry 4 save editor link
Nexus Mods is the gold standard for game modifications. It is the safest place to find save editors and trainers. This is usually caused by Ubisoft’s cloud sync
Most editors require administrative privileges to read and write data to your protected save folders. Common Issues and Fixes far cry 4 save editor link