During startup/authentication, the application attempted to extract a cryptographic key from the file system but failed.

Key extraction from file system failed. The system could not retrieve a required security key from storage. This may be due to missing, corrupted, or inaccessible key files. Please check file permissions, path configuration, or re-initialize the key store. 2. Developer log entry ERROR: key extraction from fs failed Location: [module/function name] Cause: Unable to read/parse key data from file system (permission denied / file not found / format mismatch) Action: Verify key file existence, permissions, and format (PEM/DER/JSON). 3. Internal error report (support ticket template) Issue: Key extraction from file system failed