Проблема интеграции Hyperledger Composer и Explorer v.0.20

Question

У меня проблема, когда я интегрирую свою бизнес-сеть в Hyperledger composer в проводник Hyperledger. Я уже реализовал учебник из https://www.edureka.co/community/14044/using-hyperledger-composer-hyperledger-blockchain-explorer; но все же у меня есть ошибка при запуске localhost: 8080.

Я также уже запустил сеть в папке fabri c dev Servers и использую версию v.0.20

Пожалуйста, помогите мне. Я делаю это для моей последней диссертации: (

Ошибка:

Possible causes: the network is offline, Origin is not allowed by Access-Control-Allow-Origin, the page is being unloaded, etc.

config. json:

{
    "network-configs": {
        "custom-network": {
            "name": "custom-network",
            "profile": "./connection-profile/custom-network.json"
        }
    },
    "license": "Apache-2.0"
}

custom-network. json:

{
    "name": "custom-network",
    "version": "1.0.0",
    "license": "Apache-2.0",
    "client": {
        "adminUser": "admin",
        "adminPassword": "adminpw",
        "enableAuthentication": false,
        "organization": "Org1",
        "connection": {
            "timeout": {
                "peer": {
                    "endorser": "300"
                },
                "orderer": "300"
            }
        }
    },
    "channels": {
        "mychannel": {
            "peers": {
                "peer0.org1.example.com": {}
            },
            "connection": {
                "timeout": {
                    "peer": {
                        "endorser": "6000",
                        "eventHub": "6000",
                        "eventReg": "6000"
                    }
                }
            }
        }
    },
    "organizations": {
        "Org1MSP": {
            "name": "Org1",
            "mspid": "Org1MSP",
            "fullpath": true,
            "adminPrivateKey": {
                "path": "/home/james/fabric-dev-servers/fabric-scipts/hlfv1/composer/crypto-config/peerOrganizations/org1.example.com/users/Admin@org1.example.com/msp/keystore/114aab0e76bf0c78308f89efc4b8c9423e31568da0c340ca187a9b17aa9a4457_sk"
            },
            "signedCert": {
                "path": "/home/james/fabric-dev-servers/fabric-scipts/hlfv1/composer/crypto-config/peerOrganizations/org1.example.com/users/Admin@org1.example.com/msp/signcerts/Admin@org1.example.com-cert.pem"
            }
        }
    },
    "peers": {
        "peer0.org1.example.com": {
            "tlsCACerts": {
                "path": "/home/james/fabric-dev-servers/fabric-scipts/hlfv1/composer/crypto-config/peerOrganizations/org1.example.com/peers/peer0.org1.example.com/tls/ca.crt"
            },
            "url": "grpc://localhost:7051",
            "eventUrl": "grpc://localhost:7053",
            "grpcOptions": {
                "ssl-target-name-override": "peer0.org1.example.com"
            }
        }
    }
}