Prototype 2 Failed to Save Data Fix: A Step-by-Step Guide
OneDrive Interference: Microsoft loves syncing your Documents folder. If OneDrive is locking the file to upload it while Prototype 2 is trying to write to it, the game crashes the save process.
Windows Controlled Folder Access: A feature in Windows Defender called “Ransomware Protection” blocks unknown apps from changing files in your Documents folder.
Corrupted User Profile: Sometimes, the save file itself gets stuck in a “read-only” state.
Symptom: server accepts but DB missing fields or defaults applied.
Fix: add server logs, verify model mapping, check migrations and default values.
Prototype 2 Failed to Save Data Fix: A Step-by-Step Guide
OneDrive Interference: Microsoft loves syncing your Documents folder. If OneDrive is locking the file to upload it while Prototype 2 is trying to write to it, the game crashes the save process.
Windows Controlled Folder Access: A feature in Windows Defender called “Ransomware Protection” blocks unknown apps from changing files in your Documents folder.
Corrupted User Profile: Sometimes, the save file itself gets stuck in a “read-only” state.
Symptom: server accepts but DB missing fields or defaults applied.
Fix: add server logs, verify model mapping, check migrations and default values.
2 Failed To Save Data Fix — Prototype
Prototype 2 Failed to Save Data Fix: A Step-by-Step Guide
3. Manually Create or Reset the Save Folder
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