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claude-code - 💡(How to fix) Fix [Bug] Anthropic API Error: Empty Text Context Blocks in Messages

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Error Message

[{"error":"Error: 400 {"type":"error","error":{"type":"invalid_request_error","message":"messages: text content blocks must be non-empty"},"request_id":"req_011CbQ181w5o472tWWEHrSCM"}\n at generate (/$bunfs/root/src/entrypoints/cli.js:11:63586)\n at makeRequest (/$bunfs/root/src/entrypoints/cli.js:51:7694)\n at processTicksAndRejections (native:7:39)","timestamp":"2026-05-25T21:32:50.016Z"}]

Code Example

[{"error":"Error: 400 {\"type\":\"error\",\"error\":{\"type\":\"invalid_request_error\",\"message\":\"messages: text content blocks must be non-empty\"},\"request_id\":\"req_011CbQ181w5o472tWWEHrSCM\"}\n    at generate (/$bunfs/root/src/entrypoints/cli.js:11:63586)\n    at makeRequest (/$bunfs/root/src/entrypoints/cli.js:51:7694)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-05-25T21:32:50.016Z"}]
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Bug Description API Error: 400 messages: text context blocks must be non-empty multiple times when a command is given

Environment Info

  • Platform: darwin
  • Terminal: ghostty
  • Version: 2.1.150
  • Feedback ID: 89538373-96a6-45f8-85e8-7aa59ec4cfc7

Errors

[{"error":"Error: 400 {\"type\":\"error\",\"error\":{\"type\":\"invalid_request_error\",\"message\":\"messages: text content blocks must be non-empty\"},\"request_id\":\"req_011CbQ181w5o472tWWEHrSCM\"}\n    at generate (/$bunfs/root/src/entrypoints/cli.js:11:63586)\n    at makeRequest (/$bunfs/root/src/entrypoints/cli.js:51:7694)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-05-25T21:32:50.016Z"}]

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