I have been experiencing this same error when deploying smart contracts all week with Rinkeby and Ropsten. I was hoping I wouldn’t experience the same thing with Mainnnet because I have multiple smart contacts to deploy but unfortunately this happened almost immediately on the first attempt so the migration didnt finish and now I think .7Eth is down the drain.
I’m using truffle to deploy using my infura keys. Like I said, this has happened now on Mainnet, Rinkey, and Ropsten. I’m terrified to deploy the rest of the contacts because if another one fails I will not have enough funds to continue. Can anybody please provide some guidence here?