@adcp/sdk API Reference - v10.0.1
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    Type Alias ActionNotAllowedReason

    ActionNotAllowedReason:
        | "wrong_status"
        | "not_supported_on_product"
        | "not_supported_on_buy"
        | "mode_mismatch"

    Reason a mutation on update_media_buy was rejected with ACTION_NOT_ALLOWED. Lets buyer SDKs offer a structured recovery path without re-fetching the buy.