Anthropic API Request Timeout or Unresponsive Connection

Resolved 💬 3 comments Opened Jul 25, 2025 by Suketug Closed Jan 4, 2026

Bug Description
It stuck and shows API error

Environment Info

  • Platform: darwin
  • Terminal: vscode
  • Version: 1.0.59
  • Feedback ID: 491282b3-ea09-40e5-9fc8-e1aff0960ddb

Errors

[{"error":"Error: Language not supported while highlighting code, falling back to markdown: example\n    at file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1389:418\n    at Object.useMemo (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:65:26368)\n    at Kz9.useMemo (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:46:15588)\n    at UV (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1389:312)\n    at RM (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:65:19859)\n    at Tv (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:67:42847)\n    at Rv (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:67:38368)\n    at YS (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:67:38296)\n    at lM (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:67:38150)\n    at eV (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:67:35213)","timestamp":"2025-07-24T22:27:46.180Z"},{"error":"Error: Language not supported while highlighting code, falling back to markdown: \n    at file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1389:418\n    at Object.useMemo (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:65:26368)\n    at Kz9.useMemo (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:46:15588)\n    at UV (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1389:312)\n    at RM (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:65:19859)\n    at Tv (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:67:42847)\n    at Rv (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:67:38368)\n    at YS (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:67:38296)\n    at lM (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:67:38150)\n    at eV (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:67:35213)","timestamp":"2025-07-24T22:27:46.181Z"},{"error":"Error: Language not supported while highlighting code, falling back to markdown: \n    at file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1389:418\n    at Object.useMemo (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:65:26368)\n    at Kz9.useMemo (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:46:15588)\n    at UV (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1389:312)\n    at RM (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:65:19859)\n    at Tv (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:67:42847)\n    at Rv (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:67:38368)\n    at YS (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:67:38296)\n    at lM (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:67:38150)\n    at eV (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:67:35213)","timestamp":"2025-07-24T22:27:46.182Z"},{"error":"Error: String not found in file. Failed to apply edit.\n    at zx (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1787:728)\n    at qU0 (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1787:104)\n    at Object.renderToolUseRejectedMessage (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:2318:1662)\n    at F_B (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:2417:2561)\n    at RM (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:65:19859)\n    at Tv (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:67:42847)\n    at Rv (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:67:38368)\n    at YS (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:67:38296)\n    at lM (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:67:38150)\n    at eV (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:67:35213)","timestamp":"2025-07-24T22:27:46.187Z"},{"error":"Error: Language not supported while highlighting code, falling back to markdown: example\n    at file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1389:418\n    at Object.useMemo (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:65:26368)\n    at Kz9.useMemo (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:46:15588)\n    at UV (file:///opt/homebrew/lib

Note: Error logs were truncated.

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