claude-code - 💡(How to fix) Fix [BUG] Claude Code process exited with code 127 [1 comments, 2 participants]

Creating a new Cowork session will result in an error, while some historical sessions can execute normally.

Error Messages/Logs

TL;DR

The issue is likely due to a compatibility problem between the current Claude Code version (2.1.126) and the Sonnet model, and downgrading to version 2.1.81 may resolve the issue.

Guidance

• The error code 127 typically indicates a command not found, suggesting a potential issue with the Claude Code executable or its dependencies.
• Since the issue is reported as a regression and the last working version was 2.1.81, comparing the changes between versions 2.1.81 and 2.1.126 may help identify the root cause.
• Try downgrading to version 2.1.81 to verify if the issue is resolved.
• If downgrading is not feasible, provide more details about the project and the tasks being performed in Cowork to help narrow down the potential causes.

Example

No code snippet is provided as the issue seems to be related to version compatibility rather than a specific code error.

Notes

The solution is based on the information provided and may not apply if there are other factors at play. The Anthropic API and macOS platform specifics are noted but not directly addressed due to lack of explicit details.

Recommendation

Apply workaround: Downgrade to version 2.1.81, as it is reported to be the last working version, to potentially resolve the compatibility issue.