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claude-code - 💡(How to fix) Fix [Bug] Anthropic API Error 500: All prompts returning internal server error

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Error Message

[{"error":"Error: 500 {"type":"error","error":{"type":"api_error","message":"Internal server error"},"request_id":"req_011Cb6hc1e6PkBnUAqzb1vNU"}\n at vq.generate (file:///C:/Users/PC/AppData/Local/nvm/v22.22.1/node_modules/@anthropic-ai/claude-code/cli.js:8:52573)\n at qh.makeStatusError (file:///C:/Users/PC/AppData/Local/nvm/v22.22.1/node_modules/@anthropic-ai/claude-code/cli.js:47:1652)\n at qh.makeRequest (file:///C:/Users/PC/AppData/Local/nvm/v22.22.1/node_modules/@anthropic-ai/claude-code/cli.js:47:4928)\n at process.processTicksAndRejections (node:internal/process/task_queues:103:5)","timestamp":"2026-05-16T18:12:44.469Z"}]

Code Example

[{"error":"Error: 500 {\"type\":\"error\",\"error\":{\"type\":\"api_error\",\"message\":\"Internal server error\"},\"request_id\":\"req_011Cb6hc1e6PkBnUAqzb1vNU\"}\n    at vq.generate (file:///C:/Users/PC/AppData/Local/nvm/v22.22.1/node_modules/@anthropic-ai/claude-code/cli.js:8:52573)\n    at qh.makeStatusError (file:///C:/Users/PC/AppData/Local/nvm/v22.22.1/node_modules/@anthropic-ai/claude-code/cli.js:47:1652)\n    at qh.makeRequest (file:///C:/Users/PC/AppData/Local/nvm/v22.22.1/node_modules/@anthropic-ai/claude-code/cli.js:47:4928)\n    at process.processTicksAndRejections (node:internal/process/task_queues:103:5)","timestamp":"2026-05-16T18:12:44.469Z"}]
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Bug Description API Error 500 on ALL prompts including simple ones like "oi" or "Boa tarde". Subscription: Claude Max ([email protected]) Version: 2.1.112 (Opus 4.7 1M context, max effort) Platform: Windows Started: 16 May 2026 ~22h BRT

Request IDs:

  • req_011Cb6gqQFNmYv173E37u7PZ
  • req_011Cb6h6uAbpBivwg8Q5BXmb
  • req_011Cb6hEqFB8pMhVoYcuEGwt
  • req_011Cb6hUF3mF9oXYA7PVrUbu

Affects ALL directories (tested in 2 different projects). Status page shows green but my account consistently fails.

Environment Info

  • Platform: win32
  • Terminal: vscode
  • Version: 2.1.112
  • Feedback ID: 7a41e1a4-b337-4d53-bd43-9587437555b1

Errors

[{"error":"Error: 500 {\"type\":\"error\",\"error\":{\"type\":\"api_error\",\"message\":\"Internal server error\"},\"request_id\":\"req_011Cb6hc1e6PkBnUAqzb1vNU\"}\n    at vq.generate (file:///C:/Users/PC/AppData/Local/nvm/v22.22.1/node_modules/@anthropic-ai/claude-code/cli.js:8:52573)\n    at qh.makeStatusError (file:///C:/Users/PC/AppData/Local/nvm/v22.22.1/node_modules/@anthropic-ai/claude-code/cli.js:47:1652)\n    at qh.makeRequest (file:///C:/Users/PC/AppData/Local/nvm/v22.22.1/node_modules/@anthropic-ai/claude-code/cli.js:47:4928)\n    at process.processTicksAndRejections (node:internal/process/task_queues:103:5)","timestamp":"2026-05-16T18:12:44.469Z"}]

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#api#inference speed#output truncation#response parsing#generation error

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claude-code - 💡(How to fix) Fix [Bug] Anthropic API Error 500: All prompts returning internal server error