claude-code - 💡(How to fix) Fix [BUG] Error: String to replace not found in file. [1 comments, 2 participants]

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anthropics/claude-code#49034Fetched 2026-04-17 08:52:41
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Error Message

Error: String to replace not found in file.

Code Example

Error: String to replace not found in file.
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Preflight Checklist

  • I have searched existing issues and this hasn't been reported yet
  • This is a single bug report (please file separate reports for different bugs)
  • I am using the latest version of Claude Code

What's Wrong?

when use gemma-4 or some other model ,in windows os,Error editing file,Error: String to replace not found in file.

What Should Happen?

when use gemma-4 or some other model ,in windows os,Error editing file,Error: String to replace not found in file.

Error Messages/Logs

Error: String to replace not found in file.

Steps to Reproduce

when use gemma-4 or some other model ,in windows os,Error editing file,Error: String to replace not found in file.

Claude Model

None

Is this a regression?

Yes, this worked in a previous version

Last Working Version

No response

Claude Code Version

2.1.110

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

Terminal.app (macOS)

Additional Information

No response

extent analysis

TL;DR

The issue might be related to the model or file editing process in Windows OS, and a potential fix could involve checking the file path or string replacement logic.

Guidance

  • Verify that the file path and string to replace are correct, considering any potential differences in path separators or string formatting between Windows and macOS.
  • Check if the issue is specific to the gemma-4 model or if it occurs with other models as well, to determine if the problem is model-specific.
  • Test the file editing process on a different operating system, such as macOS, to see if the issue is Windows-specific.
  • Review the code changes between the current version (2.1.110) and the previous working version to identify any potential regressions.

Notes

The issue report lacks specific details about the code changes or the exact steps to reproduce the issue, making it challenging to provide a precise fix. Additionally, the report mentions using macOS as the operating system, but the issue occurs on Windows OS, which might indicate a cross-platform compatibility problem.

Recommendation

Apply workaround: Since the issue is reported as a regression and the last working version is not specified, it's recommended to apply a workaround, such as manually checking the file path and string replacement logic, until a more permanent fix can be implemented.

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claude-code - 💡(How to fix) Fix [BUG] Error: String to replace not found in file. [1 comments, 2 participants]