claude-code - 💡(How to fix) Fix [Claude Desktop] Fatal Error 09BN5MH - TypeError: i is not iterable

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Claude Desktop crashes with error code 09BN5MH when accessing task-related features (e.g., /task/new).

Error Message

Claude Desktop crashes with error code 09BN5MH when accessing task-related features (e.g., /task/new).

Error Trace

Error Message: TypeError: i is not iterable

Root Cause

Claude Desktop crashes with error code 09BN5MH when accessing task-related features (e.g., /task/new).

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Description

Claude Desktop crashes with error code 09BN5MH when accessing task-related features (e.g., /task/new).

Error Trace

Trace ID: 09BN5MH Error Message: TypeError: i is not iterable Full Stack Trace from claude.ai-web.log: TypeError: i is not iterable at https://assets-proxy.anthropic.com/claude-ai/v2/assets/v1/cbc59a8af-93AUUEgX.js:2:36582 at vl (https://assets-proxy.anthropic.com/claude-ai/v2/assets/v1/vendor-CAJFgYol.js:11:96715) ... (rest of React internal calls)

Environment

  • App Version: 1.8089.1
  • OS: Windows 11 Home (Build 26200)
  • Features Affected: Cowork / Computer Use / Task Creation

Additional Logs

The cowork_vm_node.log reports: yukonSilver not supported (status=unsupported). Since this is Windows Home, it may be related to missing Hyper-V requirements for specific virtualization features.

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