[Bug] File write operation failure in Claude Code CLI

[aronweiler]

Bug Description CANNOT WRITE FILES

Environment Info

• Platform: win32
• Terminal: vscode
• Version: 2.0.46
• Feedback ID: 294c63b3-cbc5-4c05-b401-83353145f051

Errors

[{"error":"Error: Language not supported while highlighting code, falling back to markdown: \n    at IE (file:///C:/Users/aronw/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:1105:4489)\n    at file:///C:/Users/aronw/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:1105:4217\n    at Array.map (<anonymous>)\n    at QD (file:///C:/Users/aronw/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:1105:4208)\n    at X32 (file:///C:/Users/aronw/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:1828:3681)\n    at lq (file:///C:/Users/aronw/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:105:19416)\n    at hQA (file:///C:/Users/aronw/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:107:42839)\n    at p9 (file:///C:/Users/aronw/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:107:38371)\n    at Na (file:///C:/Users/aronw/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:107:38299)\n    at BN (file:///C:/Users/aronw/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:107:38153)","timestamp":"2025-11-19T05:15:36.876Z"},{"error":"Error: Language not supported while highlighting code, falling back to markdown: \n    at IE (file:///C:/Users/aronw/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:1105:4489)\n    at file:///C:/Users/aronw/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:1105:4217\n    at Array.map (<anonymous>)\n    at QD (file:///C:/Users/aronw/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:1105:4208)\n    at X32 (file:///C:/Users/aronw/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:1828:3681)\n    at lq (file:///C:/Users/aronw/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:105:19416)\n    at hQA (file:///C:/Users/aronw/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:107:42839)\n    at p9 (file:///C:/Users/aronw/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:107:38371)\n    at Na (file:///C:/Users/aronw/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:107:38299)\n    at BN (file:///C:/Users/aronw/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:107:38153)","timestamp":"2025-11-19T05:15:36.879Z"},{"error":"Error: Language not supported while highlighting code, falling back to markdown: \n    at IE (file:///C:/Users/aronw/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:1105:4489)\n    at file:///C:/Users/aronw/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:1105:4217\n    at Array.map (<anonymous>)\n    at QD (file:///C:/Users/aronw/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:1105:4208)\n    at X32 (file:///C:/Users/aronw/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:1828:3681)\n    at lq (file:///C:/Users/aronw/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:105:19416)\n    at hQA (file:///C:/Users/aronw/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:107:42839)\n    at p9 (file:///C:/Users/aronw/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:107:38371)\n    at Na (file:///C:/Users/aronw/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:107:38299)\n    at BN (file:///C:/Users/aronw/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:107:38153)","timestamp":"2025-11-19T05:15:37.102Z"},{"error":"Error: Language not supported while highlighting code, falling back to markdown: \n    at IE (file:///C:/Users/aronw/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:1105:4489)\n    at file:///C:/Users/aronw/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:1105:4217\n    at Array.map (<anonymous>)\n    at QD (file:///C:/Users/aronw/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:1105:4208)\n    at X32 (file:///C:/Users/aronw/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:1828:3681)\n    at lq (file:///C:/Users/aronw/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:105:19416)\n    at hQA (file:///C:/Users/aronw/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:107:42839)\n    at p9 (file:///C:/Users/aronw/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:107:38371)\n    at Na (file:///C:/Users/aronw/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:107:38299)\n    at BN (file:///C:/Users/aronw/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:107:38153)","timestamp":"2025-11-19T05:15:37.103Z"},{"error":"Error: Language not support

Note: Error logs were truncated.