Type Alias Unexpected

Unexpected: PlainDescriptor<
    Enum<
        {
            EraDurationBoundExceeded: undefined;
            MissingPayee: { era: number; stash: SS58String };
            PagedElectionOutOfWeight: {
                had: { proof_size: bigint; ref_time: bigint };
                page: number;
                required: { proof_size: bigint; ref_time: bigint };
            };
            UnknownValidatorActivation: undefined;
            ValidatorIncentiveTransferFailed: { era: number };
            ValidatorIncentiveWeightMismatch: { era: number };
        },
    >,
>