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claude-code - 💡(How to fix) Fix [BUG] Opus 4.7 "Could not process image" 400 error breaks session

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Error Message

API Error: 400 {"type":"error","error":{"type":"invalid_request_error","message":"Could not process image"},"request_id":"req_011CaEaoucmjcQnYFkVH1Zm3"}

Code Example

API Error: 400 {"type":"error","error":{"type":"invalid_request_error","message":"Could not process image"},"request_id":"req_011CaEaoucmjcQnYFkVH1Zm3"}
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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?

Opus 4.7에서 이미지 붙이면 400 에러 뜨고 그 세션 영구 먹통됨. 4.6은 멀쩡함.

Error: 400 "Could not process image" request_id: req_011CaEaoucmjcQnYFkVH1Zm3

환경:

  • Claude Code 2.1.104
  • macOS 15.7.4
  • Model: claude-opus-4-7

재현: 새 세션 시작 → 1시간 안에 발생 → 이후 모든 메시지 실패

<img width="863" height="243" alt="Image" src="https://github.com/user-attachments/assets/904f59f5-d429-43a5-9c73-abe17f218273" />

What Should Happen?

[한국어] 이미지 처리 실패 시에도 세션이 살아있어야 함. 실패한 이미지 하나 때문에 전체 세션이 먹통되면 안 됨. 4.6처럼 4.7도 이미지를 안정적으로 처리해야 함.

[English] Image processing failures should not break the entire session. A single failed image should be removed from history or fall back to text. Opus 4.7 should handle images as reliably as 4.6.

Error Messages/Logs

API Error: 400 {"type":"error","error":{"type":"invalid_request_error","message":"Could not process image"},"request_id":"req_011CaEaoucmjcQnYFkVH1Zm3"}

Steps to Reproduce

[한국어]

  1. claude-opus-4-7 모델로 새 세션 시작
  2. 이미지 첨부해서 대화 진행
  3. 1시간 이내에 400 에러 발생
  4. 이후 그 세션의 모든 메시지가 같은 에러로 실패
  5. Opus 4.6에서는 발생 안 함

[English]

  1. Start a new session with claude-opus-4-7
  2. Attach images (screenshots) during conversation
  3. 400 error "Could not process image" occurs within 1 hour
  4. All subsequent messages in the session fail with the same error
  5. Does not occur with claude-opus-4-6

Claude Model

None

Is this a regression?

Yes, this worked in a previous version

Last Working Version

No response

Claude Code Version

2.1.104

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

Terminal.app (macOS)

Additional Information

No response

extent analysis

TL;DR

The issue can be mitigated by handling image processing failures more robustly, potentially by implementing a retry mechanism or falling back to text when an image fails to process.

Guidance

  • Investigate the differences in image processing between Opus 4.6 and 4.7 to identify the root cause of the failure.
  • Consider implementing a retry mechanism for image processing to handle temporary failures.
  • Review the error handling logic to ensure that a single failed image does not cause the entire session to fail.
  • Test the image processing functionality with different types of images to identify any specific issues.

Example

No code example is provided as the issue does not include specific code snippets.

Notes

The issue appears to be a regression, as it worked in a previous version (Opus 4.6). The root cause of the issue is unclear, but it is related to image processing in Opus 4.7.

Recommendation

Apply a workaround, such as implementing a retry mechanism or falling back to text when an image fails to process, as the root cause of the issue is unclear and a fix may require further investigation.

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#api#retriever error#indexing error#inference speed#output truncation

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claude-code - 💡(How to fix) Fix [BUG] Opus 4.7 "Could not process image" 400 error breaks session