[Claude Desktop] Fatal Error 09BN5MH - TypeError: i is not iterable

Resolved 💬 2 comments Opened May 25, 2026 by S81Q Closed Jun 26, 2026

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.

View original on GitHub ↗

This issue has 2 comments on GitHub. Read the full discussion on GitHub ↗