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claude-code - 💡(How to fix) Fix [BUG] Mismatched content block type content_block_delta thinking

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Error Message

2026-05-29 11:22:17.273 [info] From claude: 2026-05-29T03:22:17.273Z [ERROR] [3P telemetry] OTEL diag error: {"message":"Failed to export 24 events (status=403, code=ERR_BAD_REQUEST, Request failed with status code 403)","originalLine":"442","originalColumn":"1756","line":"442","column":"1756","sourceURL":"/$bunfs/root/src/entrypoints/cli.js","stack":"Error: Failed to export 24 events (status=403, code=ERR_BAD_REQUEST, Request failed with status code 403)\n at doExport (/$bunfs/root/src/entrypoints/cli.js:442:1756)\n at processTicksAndRejections (native:7:39)","name":"Error"}

2026-05-29 11:22:20.016 [info] From claude: 2026-05-29T03:22:20.016Z [DEBUG] Fast mode unavailable: Fast mode has been disabled by your organization

Code Example

2026-05-29 11:22:17.273 [info] From claude: 2026-05-29T03:22:17.273Z [ERROR] [3P telemetry] OTEL diag error: {"message":"Failed to export 24 events (status=403, code=ERR_BAD_REQUEST, Request failed with status code 403)","originalLine":"442","originalColumn":"1756","line":"442","column":"1756","sourceURL":"/$bunfs/root/src/entrypoints/cli.js","stack":"Error: Failed to export 24 events (status=403, code=ERR_BAD_REQUEST, Request failed with status code 403)\n    at doExport (/$bunfs/root/src/entrypoints/cli.js:442:1756)\n    at processTicksAndRejections (native:7:39)","name":"Error"}

2026-05-29 11:22:20.016 [info] From claude: 2026-05-29T03:22:20.016Z [DEBUG] Fast mode unavailable: Fast mode has been disabled by your organization
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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?

cc 确实在回答我，在历史记录能看见，但是当前对话框不输出，无法交互，并且报错 ：Mismatched content block type content_block_delta thinking

What Should Happen?

应该能在当前对话窗口进行交互

Error Messages/Logs

2026-05-29 11:22:17.273 [info] From claude: 2026-05-29T03:22:17.273Z [ERROR] [3P telemetry] OTEL diag error: {"message":"Failed to export 24 events (status=403, code=ERR_BAD_REQUEST, Request failed with status code 403)","originalLine":"442","originalColumn":"1756","line":"442","column":"1756","sourceURL":"/$bunfs/root/src/entrypoints/cli.js","stack":"Error: Failed to export 24 events (status=403, code=ERR_BAD_REQUEST, Request failed with status code 403)\n    at doExport (/$bunfs/root/src/entrypoints/cli.js:442:1756)\n    at processTicksAndRejections (native:7:39)","name":"Error"}

2026-05-29 11:22:20.016 [info] From claude: 2026-05-29T03:22:20.016Z [DEBUG] Fast mode unavailable: Fast mode has been disabled by your organization

Steps to Reproduce

直接说：你好 just the simplest sentence，the error can be seen

Claude Model

None

Is this a regression?

Yes, this worked in a previous version

Last Working Version

No response

Claude Code Version

2.1.142

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

VS Code integrated terminal

Additional Information

No response

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claude-code - 💡(How to fix) Fix [BUG] Mismatched content block type content_block_delta thinking