Payment processing failed

[epicmario7133]

Hello i'm trying to use this pool for my eth private network made with geth but i'm having problems: Payment processing failed System.Exception: Unable to determine block reward: Unsupported chain type at Miningcore.Blockchain.Ethereum.EthereumPayoutHandler.GetBaseBlockReward

here the geth startup line:

geth --networkid 171 --datadir BlockChainData/ --http --http.addr 0.0.0.0 --http.api admin,eth,miner,net,txpool,personal,web3 --allow-insecure-unlock --http.corsdomain "" --http.vhosts "" --http.port 8545 --unlock private--password pass.txt --allow-insecure-unlock --mine --cache 1024

Any help is welcome