TypeError: Cannot read properties of undefined (reading '0')

[SamarthBagga]

code for 01-deploy-raffle-

const { network, ethers } = require("hardhat")
const { developmentChains, networkConfig } = require("../helper-hardhat-config")
const {verify} = require("../helper-hardhat-config")

const VRF_SUB_FUND_AMOUNT = ethers.parseEther("30")

module.exports = async function({getNamedAccounts, deployments}) {
    const {deploy, log} = deployments
    const {deployer} = await getNamedAccounts()
    const chainId = network.config.chainId
    let vrfCoordinatorV2Address, subscriptionId, vrfCoordinatorV2Mock

    if(developmentChains.includes(network.name)) {
        vrfCoordinatorV2Mock = await ethers.getContract("VRFCoordinatorV2Mock")
        vrfCoordinatorV2Address =  await vrfCoordinatorV2Mock.getAddress();
        const transactionResponse = await vrfCoordinatorV2Mock.createSubscription()
        const transactionReceipt = await transactionResponse.wait()
        subscriptionId = transactionReceipt.events[0].args.subId
        
        await vrfCoordinatorV2Mock.fundSubscription(subscriptionId, VRF_SUB_FUND_AMOUNT)

    }else{
        vrfCoordinatorV2Address = networkConfig[chainId]["vrfCoordinatorV2"]
        subscriptionId = networkConfig[chainId]["subscriptionId"]

    }

    const entranceFee = networkConfig[chainId]["entranceFee"]
    const gasLane = networkConfig[chainId]["gasLane"]
    const callbackGasLimit = networkConfig[chainId]["callbackGasLimit"]
    const interval = networkConfig[chainId]["interval"]

    const args = [vrfCoordinatorV2Address, entranceFee, gasLane, subscriptionId, callbackGasLimit, interval]
    const raffle = await deploy("Raffle", {
        from: deployer,
        args: args,
        log: true,
        waitConfrimations: network.config.blockConfirmations || 1,
    })

    if(!developmentChains.includes(network.name) && process.env.ETHERSCAN_API_KEY){
        log("Verifying....")
        await verify(raffle.address,args)
    }

    log("----------------------------------------------------")
}

module.exports.tags = ["all","raffle"]

[Adelani10]

Check #5779