May 2026
| Error Message | Meaning | Solution | |---------------|---------|----------| | "Save data failed to update" | Cloud sync timeout | Switch network, restart game, try again in 1 hour | | "Conflict between local and cloud" | Two different progress paths | Choose manually — newest by date | | "Unable to restore purchases" | Save data missing purchase flags | Restore purchases button in Settings → Shop | | "Save data corrupted" | Local file damaged | Let cloud overwrite local (if cloud is good) | angry birds 2 save data upd