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Pydantic · Error

PydanticUserError

PydanticUserError and related classes report problems in Pydantic code. They provide readable messages and, for some errors, an error code that identifies the problem.

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Syntax

class PydanticUserError(PydanticErrorMixin, RuntimeError): ...

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  • PydanticErrorMixin
  • PydanticUndefinedAnnotation
  • PydanticImportError
  • PydanticSchemaGenerationError
  • PydanticInvalidForJsonSchema
  • PydanticForbiddenQualifier
  • PydanticUserError

Source: Errors | Pydantic Docs. Checked 2026-11-03.