{"severity":"Error","timestamp":"2026-05-07T15:16:15.314540466Z","thread":"7","message":{"Kupo":{"tag":"KupoUnexpectedError","exception":"DecoderFailure (ChainSync (HardForkBlock (': * ByronBlock (': * (ShelleyBlock (TPraos StandardCrypto) (ShelleyEra StandardCrypto)) (': * (ShelleyBlock (TPraos StandardCrypto) (AllegraEra StandardCrypto)) (': * (ShelleyBlock (TPraos StandardCrypto) (MaryEra StandardCrypto)) (': * (ShelleyBlock (TPraos StandardCrypto) (AlonzoEra StandardCrypto)) (': * (ShelleyBlock (Praos StandardCrypto) (BabbageEra StandardCrypto)) (': * (ShelleyBlock (Praos StandardCrypto) (ConwayEra StandardCrypto)) ('[] *))))))))) (Tip HardForkBlock (': * ByronBlock (': * (ShelleyBlock (TPraos StandardCrypto) (ShelleyEra StandardCrypto)) (': * (ShelleyBlock (TPraos StandardCrypto) (AllegraEra StandardCrypto)) (': * (ShelleyBlock (TPraos StandardCrypto) (MaryEra StandardCrypto)) (': * (ShelleyBlock (TPraos StandardCrypto) (AlonzoEra StandardCrypto)) (': * (ShelleyBlock (Praos StandardCrypto) (BabbageEra StandardCrypto)) (': * (ShelleyBlock (Praos StandardCrypto) (ConwayEra StandardCrypto)) ('[] *)))))))))) ServerAgency TokNext TokCanAwait) (DeserialiseFailure 1791 \"Unsupported version value: 12. Expected value in bounds: [0, 11]\")"}},"version":"v2.11.0+de9c52"}
It looks like the latest released version of Kupo is unable to cope with the hard fork in Preview. I suppose we have to update the cardano-node dependency?
{"severity":"Error","timestamp":"2026-05-07T15:16:15.314540466Z","thread":"7","message":{"Kupo":{"tag":"KupoUnexpectedError","exception":"DecoderFailure (ChainSync (HardForkBlock (': * ByronBlock (': * (ShelleyBlock (TPraos StandardCrypto) (ShelleyEra StandardCrypto)) (': * (ShelleyBlock (TPraos StandardCrypto) (AllegraEra StandardCrypto)) (': * (ShelleyBlock (TPraos StandardCrypto) (MaryEra StandardCrypto)) (': * (ShelleyBlock (TPraos StandardCrypto) (AlonzoEra StandardCrypto)) (': * (ShelleyBlock (Praos StandardCrypto) (BabbageEra StandardCrypto)) (': * (ShelleyBlock (Praos StandardCrypto) (ConwayEra StandardCrypto)) ('[] *))))))))) (Tip HardForkBlock (': * ByronBlock (': * (ShelleyBlock (TPraos StandardCrypto) (ShelleyEra StandardCrypto)) (': * (ShelleyBlock (TPraos StandardCrypto) (AllegraEra StandardCrypto)) (': * (ShelleyBlock (TPraos StandardCrypto) (MaryEra StandardCrypto)) (': * (ShelleyBlock (TPraos StandardCrypto) (AlonzoEra StandardCrypto)) (': * (ShelleyBlock (Praos StandardCrypto) (BabbageEra StandardCrypto)) (': * (ShelleyBlock (Praos StandardCrypto) (ConwayEra StandardCrypto)) ('[] *)))))))))) ServerAgency TokNext TokCanAwait) (DeserialiseFailure 1791 \"Unsupported version value: 12. Expected value in bounds: [0, 11]\")"}},"version":"v2.11.0+de9c52"}It looks like the latest released version of Kupo is unable to cope with the hard fork in Preview. I suppose we have to update the cardano-node dependency?