[Bug] Anthropic API Error: Incorrect Usage Policy Violation Claim

Resolved 💬 5 comments Opened Sep 9, 2025 by aronweiler Closed Jan 8, 2026

Bug Description
Claude incorrectly claiming violation of usage policy

Environment Info

  • Platform: win32
  • Terminal: vscode
  • Version: 1.0.108
  • Feedback ID: 73c84d63-bc3b-4113-8765-225999f04237

Errors

[{"error":"Error: Language not supported while highlighting code, falling back to markdown: \n    at _V (file:///C:/Users/aronw/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:1726:1184)\n    at file:///C:/Users/aronw/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:1726:912\n    at Array.map (<anonymous>)\n    at CX (file:///C:/Users/aronw/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:1726:903)\n    at umB (file:///C:/Users/aronw/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:2875:9248)\n    at lD (file:///C:/Users/aronw/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:330:19415)\n    at Hl (file:///C:/Users/aronw/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:332:42814)\n    at F9 (file:///C:/Users/aronw/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:332:38355)\n    at Tf (file:///C:/Users/aronw/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:332:38283)\n    at BC (file:///C:/Users/aronw/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:332:38137)","timestamp":"2025-09-08T19:34:06.809Z"},{"error":"Error: Language not supported while highlighting code, falling back to markdown: \n    at _V (file:///C:/Users/aronw/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:1726:1184)\n    at file:///C:/Users/aronw/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:1726:912\n    at Array.map (<anonymous>)\n    at CX (file:///C:/Users/aronw/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:1726:903)\n    at umB (file:///C:/Users/aronw/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:2875:9248)\n    at lD (file:///C:/Users/aronw/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:330:19415)\n    at Hl (file:///C:/Users/aronw/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:332:42814)\n    at F9 (file:///C:/Users/aronw/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:332:38355)\n    at Tf (file:///C:/Users/aronw/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:332:38283)\n    at BC (file:///C:/Users/aronw/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:332:38137)","timestamp":"2025-09-08T19:34:06.814Z"},{"error":"Error: Language not supported while highlighting code, falling back to markdown: \n    at _V (file:///C:/Users/aronw/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:1726:1184)\n    at file:///C:/Users/aronw/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:1726:912\n    at Array.map (<anonymous>)\n    at CX (file:///C:/Users/aronw/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:1726:903)\n    at umB (file:///C:/Users/aronw/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:2875:9248)\n    at lD (file:///C:/Users/aronw/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:330:19415)\n    at Hl (file:///C:/Users/aronw/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:332:42814)\n    at F9 (file:///C:/Users/aronw/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:332:38355)\n    at Tf (file:///C:/Users/aronw/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:332:38283)\n    at BC (file:///C:/Users/aronw/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:332:38137)","timestamp":"2025-09-08T19:34:06.815Z"},{"error":"Error: Language not supported while highlighting code, falling back to markdown: \n    at _V (file:///C:/Users/aronw/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:1726:1184)\n    at file:///C:/Users/aronw/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:1726:912\n    at Array.map (<anonymous>)\n    at CX (file:///C:/Users/aronw/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:1726:903)\n    at umB (file:///C:/Users/aronw/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:2875:9248)\n    at lD (file:///C:/Users/aronw/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:330:19415)\n    at Hl (file:///C:/Users/aronw/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:332:42814)\n    at F9 (file:///C:/Users/aronw/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:332:38355)\n    at Tf (file:///C:/Users/aronw/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:332:38283)\n    at BC (file:///C:/Users/aronw/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/cli.js:332:38137)","timestamp":"2025-09-08T19:34:06.818Z"},{"err

Note: Error logs were truncated.

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