API Request Size Exceeds Context Window Limit

Resolved 💬 15 comments Opened Aug 22, 2025 by dweekly Closed Jan 4, 2026

Bug Description
Getting LOTS of API Error 413 errors around request size exceeding model context windows.

Environment Info

  • Platform: darwin
  • Terminal: Apple_Terminal
  • Version: 1.0.86
  • Feedback ID: 1b1ebf10-8583-4dcf-84e3-2432ff630322

Errors

[{"error":"Error: Language not supported while highlighting code, falling back to markdown: \n    at NX (file:///Users/dew/.nvm/versions/node/v22.16.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1761:1184)\n    at file:///Users/dew/.nvm/versions/node/v22.16.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1761:912\n    at Array.map (<anonymous>)\n    at IW (file:///Users/dew/.nvm/versions/node/v22.16.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1761:903)\n    at kgB (file:///Users/dew/.nvm/versions/node/v22.16.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:3053:9071)\n    at gR (file:///Users/dew/.nvm/versions/node/v22.16.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:330:19859)\n    at Qf (file:///Users/dew/.nvm/versions/node/v22.16.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:332:42835)\n    at Af (file:///Users/dew/.nvm/versions/node/v22.16.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:332:38356)\n    at Pj (file:///Users/dew/.nvm/versions/node/v22.16.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:332:38284)\n    at DO (file:///Users/dew/.nvm/versions/node/v22.16.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:332:38138)","timestamp":"2025-08-22T04:22:20.203Z"},{"error":"Error: Language not supported while highlighting code, falling back to markdown: \n    at NX (file:///Users/dew/.nvm/versions/node/v22.16.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1761:1184)\n    at file:///Users/dew/.nvm/versions/node/v22.16.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1761:912\n    at Array.map (<anonymous>)\n    at IW (file:///Users/dew/.nvm/versions/node/v22.16.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1761:903)\n    at kgB (file:///Users/dew/.nvm/versions/node/v22.16.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:3053:9071)\n    at gR (file:///Users/dew/.nvm/versions/node/v22.16.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:330:19859)\n    at Qf (file:///Users/dew/.nvm/versions/node/v22.16.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:332:42835)\n    at Af (file:///Users/dew/.nvm/versions/node/v22.16.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:332:38356)\n    at Pj (file:///Users/dew/.nvm/versions/node/v22.16.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:332:38284)\n    at DO (file:///Users/dew/.nvm/versions/node/v22.16.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:332:38138)","timestamp":"2025-08-22T04:22:20.214Z"},{"error":"Error: Language not supported while highlighting code, falling back to markdown: \n    at NX (file:///Users/dew/.nvm/versions/node/v22.16.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1761:1184)\n    at file:///Users/dew/.nvm/versions/node/v22.16.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1761:912\n    at Array.map (<anonymous>)\n    at IW (file:///Users/dew/.nvm/versions/node/v22.16.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1761:903)\n    at kgB (file:///Users/dew/.nvm/versions/node/v22.16.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:3053:9071)\n    at gR (file:///Users/dew/.nvm/versions/node/v22.16.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:330:19859)\n    at Qf (file:///Users/dew/.nvm/versions/node/v22.16.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:332:42835)\n    at Af (file:///Users/dew/.nvm/versions/node/v22.16.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:332:38356)\n    at Pj (file:///Users/dew/.nvm/versions/node/v22.16.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:332:38284)\n    at DO (file:///Users/dew/.nvm/versions/node/v22.16.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:332:38138)","timestamp":"2025-08-22T04:22:20.260Z"},{"error":"Error: Language not supported while highlighting code, falling back to markdown: \n    at NX (file:///Users/dew/.nvm/versions/node/v22.16.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1761:1184)\n    at file:///Users/dew/.nvm/versions/node/v22.16.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1761:912\n    at Array.map (<anonymous>)\n    at IW (file:///Users/dew/.nvm/versions/node/v22.16.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1761:903)\n    at kgB (file:///Users/dew/.nvm/versions/node/v22.16.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:3053:9071)\n    at gR (file:///Users/dew/.nvm/versions/node/v22.16.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:330:19859)\n    at Qf (file:///Users/dew/.nvm/versions/node/v22.16.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:332:42835)\n    at Af (file:///Users/dew/.nvm/versions/node/v22.16.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:332:38356)\n    at Pj (file:///Users/dew/.nvm/versions/node/v22.16.0/lib/node_modules/@anthropic-

Note: Error logs were truncated.

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