llm schema_error ai_generated true

InvalidRequestError: function schema validation failed

ID: llm/function-calling-schema-error

Also available as: JSON · Markdown
85%Fix Rate
88%Confidence
3Evidence
2023-01-01First Seen

Version Compatibility

VersionStatusIntroducedDeprecatedNotes
any active — — —

Root Cause

Function/tool definition schema invalid for LLM API.

generic

Workarounds

  1. 92% success Follow API-specific JSON Schema format exactly
  2. 88% success Keep function schemas simple: flat parameters, clear descriptions

Dead Ends

Common approaches that don't work:

  1. Remove schema validation and send raw JSON 82% fail

    API rejects invalid schema

  2. Use overly complex nested schemas 75% fail

    Model struggles with deep nesting