Luxar Viewer API Documentation - v2026.9.22
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    Variable JSON_RPC_INVALID_PARAMSConst

    JSON_RPC_INVALID_PARAMS: -32602

    The method exists but the params do not fit it.

    NOT in the shared contract: nothing in this system emits it. It is here so a reader of a foreign peer's error frame can name the code, and putting it in the contract would imply the hub and relay handle it.