[Bug] Persistent File Modification Error During Code Editing
Resolved 💬 3 comments Opened Sep 26, 2025 by Ariz-z Closed Jan 9, 2026
Bug Description
i am getting edit file error suddenly again and again "Error: File has been unexpectedly modified. Read it again before attempting to write it." even the Opus modal is acting like too noob before it was working best now its too noob like need to teach everything again and again same thing
Environment Info
- Platform: win32
- Terminal: vscode
- Version: 1.0.127
- Feedback ID: c8d877c8-f327-4403-a10b-f76ba4a0e9e4
Errors
[{"error":"Error: Could not resolve authentication method. Expected either apiKey or authToken to be set. Or for one of the \"X-Api-Key\" or \"Authorization\" headers to be explicitly omitted\n at new Y5 (unknown:1:28)\n at <anonymous> (B:/~BUN/root/claude.exe:868:6459)\n at processTicksAndRejections (native:7:39)\n at spawnSync (unknown)\n at spawnSync (node:child_process:226:22)\n at execSync (node:child_process:275:109)\n at Z (B:/~BUN/root/claude.exe:1362:1398)\n at KkY (B:/~BUN/root/claude.exe:1362:1576)\n at HkY (B:/~BUN/root/claude.exe:1362:2114)\n at HkY (B:/~BUN/root/claude.exe:1362:2237)","timestamp":"2025-09-26T18:50:08.480Z"},{"error":"Error: Could not resolve authentication method. Expected either apiKey or authToken to be set. Or for one of the \"X-Api-Key\" or \"Authorization\" headers to be explicitly omitted\n at new Y5 (unknown:1:28)\n at <anonymous> (B:/~BUN/root/claude.exe:868:6459)\n at processTicksAndRejections (native:7:39)\n at spawnSync (unknown)\n at spawnSync (node:child_process:226:22)\n at execSync (node:child_process:275:109)\n at Z (B:/~BUN/root/claude.exe:1362:1398)\n at KkY (B:/~BUN/root/claude.exe:1362:1576)\n at HkY (B:/~BUN/root/claude.exe:1362:2114)\n at HkY (B:/~BUN/root/claude.exe:1362:2237)","timestamp":"2025-09-26T18:50:08.483Z"},{"error":"Error: Could not resolve authentication method. Expected either apiKey or authToken to be set. Or for one of the \"X-Api-Key\" or \"Authorization\" headers to be explicitly omitted\n at new Y5 (unknown:1:28)\n at <anonymous> (B:/~BUN/root/claude.exe:868:6459)\n at processTicksAndRejections (native:7:39)\n at spawnSync (unknown)\n at spawnSync (node:child_process:226:22)\n at execSync (node:child_process:275:109)\n at Z (B:/~BUN/root/claude.exe:1362:1398)\n at KkY (B:/~BUN/root/claude.exe:1362:1576)\n at HkY (B:/~BUN/root/claude.exe:1362:2114)\n at HkY (B:/~BUN/root/claude.exe:1362:2237)","timestamp":"2025-09-26T18:50:08.485Z"},{"error":"Error: File has been unexpectedly modified. Read it again before attempting to write it.\n at call (B:/~BUN/root/claude.exe:1714:795)\n at processTicksAndRejections (native:7:39)","timestamp":"2025-09-26T19:00:21.090Z"},{"error":"Error: File has been unexpectedly modified. Read it again before attempting to write it.\n at call (B:/~BUN/root/claude.exe:1714:795)\n at processTicksAndRejections (native:7:39)","timestamp":"2025-09-26T19:00:31.469Z"},{"error":"Error: File has been unexpectedly modified. Read it again before attempting to write it.\n at call (B:/~BUN/root/claude.exe:1715:3179)\n at processTicksAndRejections (native:7:39)","timestamp":"2025-09-26T19:00:55.237Z"},{"error":"Error: File has been unexpectedly modified. Read it again before attempting to write it.\n at call (B:/~BUN/root/claude.exe:1714:795)\n at processTicksAndRejections (native:7:39)","timestamp":"2025-09-26T19:01:08.153Z"},{"error":"Error: File has been unexpectedly modified. Read it again before attempting to write it.\n at call (B:/~BUN/root/claude.exe:1714:795)\n at processTicksAndRejections (native:7:39)","timestamp":"2025-09-26T19:01:28.290Z"},{"error":"Error: File has been unexpectedly modified. Read it again before attempting to write it.\n at call (B:/~BUN/root/claude.exe:1714:795)\n at processTicksAndRejections (native:7:39)","timestamp":"2025-09-26T19:01:56.664Z"},{"error":"Error: File has been unexpectedly modified. Read it again before attempting to write it.\n at call (B:/~BUN/root/claude.exe:1714:795)\n at processTicksAndRejections (native:7:39)","timestamp":"2025-09-26T19:02:11.678Z"},{"error":"Error: File has been unexpectedly modified. Read it again before attempting to write it.\n at call (B:/~BUN/root/claude.exe:1714:795)\n at processTicksAndRejections (native:7:39)","timestamp":"2025-09-26T19:03:08.850Z"}]This issue has 3 comments on GitHub. Read the full discussion on GitHub ↗