When trying to deploy a smart contract, I keep getting `Error HH100: Network ropsten doesn't exist` -- how do I resolve?
Web3 Chainstack Guide to Batch Transactions gives Error: This contract object doesn't have address set yet, please set an address first
If `provider` is essential in communicating with the blockchain, how is this following code working?
web3.eth - getBlock FetchError: request to https://eth-mainnet.g.alchemy.io/v2/api_key failed, reason: getaddrinfo ENOTFOUND eth-mainnet.g.alchemy.io
Unable to mint an NFT with new contract,. Error: 'Returned error: execution reverted: Ownable: caller is not the owner'
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