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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

PythonlanggrapherrorsErrorCodeINVALID_CHAT_HISTORY

Attribute●Since v0.2

INVALID_CHAT_HISTORY

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INVALID_CHAT_HISTORY = 'INVALID_CHAT_HISTORY'

View source on GitHub