Miningcore KawPow

Hello,
I need help with Mining-core error.
Sha256 pool works fine.
KawPow pool output:

[2024-09-18 14:42:32.8771] [E] [anokasSOLO] [0HN6NRSOFERB2] Connection error: System.NullReferenceException: Object reference not set to an instance of an object.
at Miningcore.Blockchain.Progpow.ProgpowPool.OnAuthorizeAsync(StratumConnection connection, Timestamped`1 tsRequest, CancellationToken ct) in /root/miningcore/src/Miningcore/Blockchain/Progpow/ProgpowPool.cs:line 158
at Miningcore.Blockchain.Progpow.ProgpowPool.OnRequestAsync(StratumConnection connection, Timestamped`1 tsRequest, CancellationToken ct) in /root/miningcore/src/Miningcore/Blockchain/Progpow/ProgpowPool.cs:line 407
at Miningcore.Stratum.StratumServer.OnRequestAsync(StratumConnection connection, JsonRpcRequest request, CancellationToken ct) in /root/miningcore/src/Miningcore/Stratum/StratumServer.cs:line 203
at Miningcore.Stratum.StratumConnection.ProcessRequestAsync(CancellationToken ct, Func`4 onRequestAsync, ReadOnlySequence`1 lineBuffer) in /root/miningcore/src/Miningcore/Stratum/StratumConnection.cs:line 385
at Miningcore.Stratum.StratumConnection.ProcessRequestAsync(CancellationToken ct, Func`4 onRequestAsync, ReadOnlySequence`1 lineBuffer) in /root/miningcore/src/Miningcore/Stratum/StratumConnection.cs:line 385
at Miningcore.Stratum.StratumConnection.ProcessReceivePipeAsync(CancellationToken ct, TcpProxyProtocolConfig proxyProtocol, Func`4 onRequestAsync) in /root/miningcore/src/Miningcore/Stratum/StratumConnection.cs:line 287

I think the problem is in coins.json.