Getting Tx is not a constructor when executing web3 sendSignedtransaction 1

Are you facing this issue while sending a signedTransaction in Web3.js?

If this is your code to fetch ethereumjs-tx library:

var Tx     = require('ethereumjs-tx')
const Web3 = require('web3')

Then you need to change it like:

I hope it worked!

Expected private key to be an Uint8Array with length 32

Getting Tx is not a constructor when executing web3 sendSignedtransaction

Error: you must provide the JSON interface of the contract when instantiating a contract object