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Overview Graphs Functional API Pregel Checkpointing Storage Caching Types Runtime Config Errors Constants Channels Agents

LangGraph Checkpoint

Checkpoint Postgres

Checkpoint SQLite

LangGraph Prebuilt

LangGraph Supervisor

LangGraph Swarm

Language

Theme

PythonlanggraphstreamtransformersValuesTransformererror

Attribute●Since v1.1

error

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error: BaseException | None

View source on GitHub

The error that ended the run, or None if it succeeded.

Set by the mux when it auto-fails the projection log.