LangChain Reference home pageLangChain ReferenceLangChain Reference
  • GitHub
  • Main Docs
Deep Agents
LangChain
LangGraph
Integrations
LangSmith
  • Overview
    • Overview
    • Graphs
    • Functional API
    • Pregel
    • Checkpointing
    • Storage
    • Caching
    • Types
    • Runtime
    • Config
    • Errors
    • Constants
    • Channels
    • Agents
    LangGraph Checkpoint
    LangGraph Store
    Checkpoint Postgres
    Store Postgres
    Checkpoint SQLite
    LangGraph Prebuilt
    LangGraph CLI
    LangGraph SDK
    LangGraph Supervisor
    LangGraph Swarm
    โŒ˜I

    Chat LangChain

    What can I help with?

    Enter to sendยทShift+Enter new line

    Menu

    OverviewGraphsFunctional APIPregelCheckpointingStorageCachingTypesRuntimeConfigErrorsConstantsChannelsAgents
    LangGraph Checkpoint
    LangGraph Store
    Checkpoint Postgres
    Store Postgres
    Checkpoint SQLite
    LangGraph Prebuilt
    LangGraph CLI
    LangGraph SDK
    LangGraph Supervisor
    LangGraph Swarm
    Language
    Theme
    PythonlanggrapherrorsErrorCode
    Classโ—Since v1.2

    ErrorCode

    Copy
    ErrorCode()

    Bases

    Enum

    Attributes

    View source on GitHub
    attribute
    GRAPH_RECURSION_LIMIT: str
    attribute
    INVALID_CONCURRENT_GRAPH_UPDATE: str
    attribute
    INVALID_GRAPH_NODE_RETURN_VALUE: str
    attribute
    MULTIPLE_SUBGRAPHS: str
    attribute
    INVALID_CHAT_HISTORY: str