This article describes UNKNOWN_ERROR (0x5515) in Ledger live and how to troubleshoot it.
Error 0x5515
This error might be triggered if your Ledger device is locked while using Ledger Live.
Ledger Live will return: Something went wrong. Please reconnect your device - UNKNOWN_ERROR (0x5515).
Troubleshooting
- Unlock your Ledger device using your PIN code.
- Start the action in Ledger Live again.