Getting errno: -32, code: 'EPIPE', syscall: 'write' when using Opus 4
Resolved 💬 1 comment Opened Jul 22, 2025 by kaeruB Closed Jul 22, 2025
Bug Description
Getting consistent EPIPE error (errno -32) when using the Opus 4 model for coding tasks (planning doesn't fail)
Error Details
errno: -32,
code: 'EPIPE',
syscall: 'write'
Environment
- Platform: macOS (Apple M1 Max)
- Model: Opus 4
- Working directory: appears in a React project and in another Ruby on Rails project (thus, it doesn't seem to be project dependent problem)
Troubleshooting Attempted
- /clear
- session restart
Other info
The problem appeared after one week of everyday usage.
Sonnet 4 works fine.
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