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[Bug] Anthropic API Error: Unhandled Tool Use Without Tool Result Block #6551

@finsus-cx

Description

@finsus-cx

Bug Description

I was literally using it and after it read some docs online, i wasn't able to make it answer. Here is the error:

Ventajas clave:

  • Offline-first con sync automático
  • Zero latency para datos en cache
  • Type safety completo con TypeScript
  • No necesitas definir endpoints ni sync rules
  • Conflict resolution automático

¿Tienes alguna pregunta específica sobre cómo funciona Zero o quieres que exploremos algún aspecto en particular?

Cómo podemos implementarlo? Paso a paso. Dime, no ejecutes nada
⎿ API Error: 400 {"type":"error","error":{"type":"invalid_request_error","message":"messages.30: tool_use ids were found without
tool_result blocks immediately after: toolu_01VR4V5g4FqQKHcAu4EF7j8s. Each tool_use block must have a corresponding tool_result
block in the next message."},"request_id":"req_011CSVL8gFBWYTKKBmHzjrdz"}

Cómo podemos implementarlo? Paso a paso. Dime, no ejecutes nada
⎿ API Error: 400 {"type":"error","error":{"type":"invalid_request_error","message":"messages.30: tool_use ids were found without
tool_result blocks immediately after: toolu_01VR4V5g4FqQKHcAu4EF7j8s. Each tool_use block must have a corresponding tool_result
block in the next message."},"request_id":"req_011CSVL9d1jwm6JUGaD1mnsC"}

Cómo podemos implementarlo? Paso a paso. Dime, no ejecutes nada
⎿ API Error: 400 {"type":"error","error":{"type":"invalid_request_error","message":"messages.30: tool_use ids were found without
tool_result blocks immediately after: toolu_01VR4V5g4FqQKHcAu4EF7j8s. Each tool_use block must have a corresponding tool_result
block in the next message."},"request_id":"req_011CSVLAhZchXdfkBgnYsCEm"}

hola
⎿ API Error: 400 {"type":"error","error":{"type":"invalid_request_error","message":"messages.30: tool_use ids were found without
tool_result blocks immediately after: toolu_01VR4V5g4FqQKHcAu4EF7j8s. Each tool_use block must have a corresponding tool_result
block in the next message."},"request_id":"req_011CSVLAyvNLxMJbPMWJPG4S"}

Environment Info

  • Platform: darwin
  • Terminal: Apple_Terminal
  • Version: 1.0.90
  • Feedback ID: 8b6ea446-76c6-40c8-907b-afaef4559a73

Errors

[{"error":"AxiosError: Request failed with status code 404\n    at sq (file:///Users/carlosalbertomartinezlopez/.nvm/versions/node/v22.18.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:686:1077)\n    at BrotliDecompress.H0 (file:///Users/carlosalbertomartinezlopez/.nvm/versions/node/v22.18.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:687:9955)\n    at BrotliDecompress.emit (node:events:530:35)\n    at BrotliDecompress.emit (node:domain:489:12)\n    at endReadableNT (node:internal/streams/readable:1698:12)\n    at process.processTicksAndRejections (node:internal/process/task_queues:90:21)\n    at GB1.request (file:///Users/carlosalbertomartinezlopez/.nvm/versions/node/v22.18.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:689:2088)\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)\n    at async NfB (file:///Users/carlosalbertomartinezlopez/.nvm/versions/node/v22.18.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:2955:4623)\n    at async LfB (file:///Users/carlosalbertomartinezlopez/.nvm/versions/node/v22.18.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:2955:5620)\n    at async Object.call (file:///Users/carlosalbertomartinezlopez/.nvm/versions/node/v22.18.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:2955:11313)\n    at async RL5 (file:///Users/carlosalbertomartinezlopez/.nvm/versions/node/v22.18.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:3408:10495)\n    at async fgB (file:///Users/carlosalbertomartinezlopez/.nvm/versions/node/v22.18.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:3408:6814)\n    at async tt2 (file:///Users/carlosalbertomartinezlopez/.nvm/versions/node/v22.18.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1770:3411)\n    at async dBB (file:///Users/carlosalbertomartinezlopez/.nvm/versions/node/v22.18.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1955:843)\n    at async OL5 (file:///Users/carlosalbertomartinezlopez/.nvm/versions/node/v22.18.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:3408:6025)","timestamp":"2025-08-25T23:46:09.396Z"},{"error":"AxiosError: Request failed with status code 404\n    at sq (file:///Users/carlosalbertomartinezlopez/.nvm/versions/node/v22.18.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:686:1077)\n    at BrotliDecompress.H0 (file:///Users/carlosalbertomartinezlopez/.nvm/versions/node/v22.18.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:687:9955)\n    at BrotliDecompress.emit (node:events:530:35)\n    at BrotliDecompress.emit (node:domain:489:12)\n    at endReadableNT (node:internal/streams/readable:1698:12)\n    at process.processTicksAndRejections (node:internal/process/task_queues:90:21)\n    at GB1.request (file:///Users/carlosalbertomartinez

Note: Error logs were truncated.

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