"error":{"code":-1,"message":"Low difficulty share"}

[MaJun0007]

i use the pool on my localhost and pool wroks ok
but i create a miner for test and i get ### "error":{"code":-1,"message":"Low difficulty share"}

anyone who can help me Thank you!!

My config json:

{
    "coin": "monero",
    "symbol": "MRO",
    "logging": {
        "files": {
            "level": "info",
            "directory": "logs",
            "flushInterval": 5
        },
        "console": {
            "level": "info",
            "colors": true
        }
    },

    "poolServer": {
        "enabled": true,
        "clusterForks": "auto",
        "poolAddress": "4AepzVuqthGZwBywavdHCAEnH5n5wBwqeFT6aXmEKXcr3XEbKa11MwZAxQgC6pxMESB5z1ZTpRC8PfWPWWk61FocJDowpHm",
        "blockRefreshInterval": 1000,
        "minerTimeout": 900,
        "ports": [
            {
                "port": 3333,
                "difficulty": 1000,
                "desc": "Low end hardware"
            },
            {
                "port": 5555,
                "difficulty": 2000,
                "desc": "Mid range hardware"
            },
            {
                "port": 7777,
                "difficulty": 10000,
                "desc": "High end hardware"
            }
        ],
        "varDiff": {
            "minDiff": 2,
            "maxDiff": 100000,
            "targetTime": 100,
            "retargetTime": 30,
            "variancePercent": 30,
            "maxJump": 100
        },
        "shareTrust": {
            "enabled": true,
            "min": 10,
            "stepDown": 3,
            "threshold": 10,
            "penalty": 30
        },
        "banning": {
            "enabled": true,
            "time": 600,
            "invalidPercent": 25,
            "checkThreshold": 30
        },
        "slushMining": {
            "enabled": false,
            "weight": 300,
            "blockTime": 60,
            "lastBlockCheckRate": 1
        }
    },

    "payments": {
        "enabled": true,
        "interval": 600,
        "maxAddresses": 50,
        "mixin": 3,
        "transferFee": 5000000000,
        "minPayment": 100000000000,
        "denomination": 100000000000
    },

    "blockUnlocker": {
        "enabled": true,
        "interval": 30,
        "depth": 60,
        "poolFee": 2,
        "devDonation": 0.1,
        "coreDevDonation": 0.1
    },

    "api": {
        "enabled": true,
        "hashrateWindow": 600,
        "updateInterval": 5,
        "port": 8117,
        "blocks": 30,
        "payments": 30,
        "password": ""
    },

    "daemon": {
        "host": "127.0.0.1",
        "port": 18081
    },

    "wallet": {
        "host": "127.0.0.1",
        "port": 8082
    },

    "redis": {
        "host": "127.0.0.1",
        "port": 6379,
        "auth": null
    }
}