[Bug] Incomplete bug report submitted
Resolved 💬 2 comments Opened Mar 12, 2026 by DavidClaudeAI Closed Apr 9, 2026
Bug Description
Regularly, when I have a dev lancer server and it's blocking, Claude Code tries to kill the background server's task, but kills its own task and stops.
Environment Info
- Platform: win32
- Terminal: windows-terminal
- Version: 2.1.74
- Feedback ID: bba7cc99-f90e-4942-8064-9b624b48aaf4
Errors
[{"error":"TypeError: Cannot read properties of undefined (reading 'WebSearch')\n at NZ (file:///C:/Users/dadzz/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:255:146)\n at mH (file:///C:/Users/dadzz/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:255:477)\n at lq8 (file:///C:/Users/dadzz/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:255:3841)\n at file:///C:/Users/dadzz/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:266:538\n at Array.filter (<anonymous>)\n at s31 (file:///C:/Users/dadzz/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:266:377)\n at ds (file:///C:/Users/dadzz/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:6919:10414)\n at C9z (file:///C:/Users/dadzz/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:6920:1943)\n at o46 (file:///C:/Users/dadzz/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:6920:2565)\n at dA (file:///C:/Users/dadzz/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:6920:2339)","timestamp":"2026-03-12T19:34:25.974Z"},{"error":"TypeError: Cannot read properties of undefined (reading 'Bash')\n at NZ (file:///C:/Users/dadzz/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:255:146)\n at mH (file:///C:/Users/dadzz/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:255:689)\n at lq8 (file:///C:/Users/dadzz/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:255:3841)\n at file:///C:/Users/dadzz/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:266:538\n at Array.filter (<anonymous>)\n at s31 (file:///C:/Users/dadzz/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:266:377)\n at ds (file:///C:/Users/dadzz/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:6919:10414)\n at C9z (file:///C:/Users/dadzz/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:6920:1943)\n at o46 (file:///C:/Users/dadzz/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:6920:2565)\n at dA (file:///C:/Users/dadzz/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:6920:2339)","timestamp":"2026-03-12T19:34:25.976Z"},{"error":"TypeError: Cannot read properties of undefined (reading 'WebSearch')\n at NZ (file:///C:/Users/dadzz/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:255:146)\n at mH (file:///C:/Users/dadzz/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:255:477)\n at lq8 (file:///C:/Users/dadzz/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:255:3841)\n at file:///C:/Users/dadzz/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:266:538\n at Array.filter (<anonymous>)\n at s31 (file:///C:/Users/dadzz/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:266:377)\n at ds (file:///C:/Users/dadzz/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:6919:10414)\n at C9z (file:///C:/Users/dadzz/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:6920:1943)\n at o46 (file:///C:/Users/dadzz/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:6920:2565)\n at dA (file:///C:/Users/dadzz/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:6920:2339)","timestamp":"2026-03-12T19:34:25.977Z"},{"error":"TypeError: Cannot read properties of undefined (reading 'WebSearch')\n at NZ (file:///C:/Users/dadzz/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:255:146)\n at mH (file:///C:/Users/dadzz/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:255:477)\n at lq8 (file:///C:/Users/dadzz/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:255:3841)\n at file:///C:/Users/dadzz/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:266:538\n at Array.filter (<anonymous>)\n at s31 (file:///C:/Users/dadzz/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:266:377)\n at ds (file:///C:/Users/dadzz/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:6919:10414)\n at C9z (file:///C:/Users/dadzz/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:6920:1943)\n at o46 (file:///C:/Users/dadzz/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:6920:2565)\n at dA (file:///C:/Users/dadzz/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:6920:2339)","timestamp":"2026-03-12T19:34:25.978Z"},{"error":"TypeError: Cannot read properties of undefined (reading 'Bash')\n at NZ (file:///C:/Users…
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