ropsten: {
provider: () => new HDWalletProvider(mnemonic, `https://ropsten.infura.io/v3/${infuraKey}`),
network_id: 3, // Ropsten's id
gas: 1200000, // Ropsten has a lower block limit than mainnet
confirmations: 2, // # of confs to wait between deployments. (default: 0)
timeoutBlocks: 200, // # of blocks before a deployment times out (minimum/default: 50)
skipDryRun: true, // Skip dry run before migrations? (default: false for public nets )
gasPrice: 20000000000, // 20 gwei (in wei) (default: 100 gwei)
},
Please help with this error.