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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

PythonlanggrapherrorsInvalidUpdateError

Class●Since v0.1

InvalidUpdateError

Copy

InvalidUpdateError()

Bases

Exception

View source on GitHub

Raised when attempting to update a channel with an invalid set of updates.

Troubleshooting guides:

INVALID_CONCURRENT_GRAPH_UPDATE
INVALID_GRAPH_NODE_RETURN_VALUE