lesson 6 : TypeError: Cannot read properties of undefined (reading 'wait')

[prabeshdulal]

if (network.config.chainId === 11155111 && process.env.ETHERSCAN_API_KEY) {
console.log("Waiting for block confirmations...")
await simpleStorage.deployTransaction.wait(6)
await verify(simpleStorage.address, [])
}

[Nlferu]

Hi @prabeshdulal

I'm pretty sure you are using incorrect version of ethers. Please downgrade your ethers to match course version, so ethers v5 instead of v6. Just remove yarn.lock and node_modules, then copy package.json from course repo and install those in your project instead.