Blockchain
2 results found
Uncaught ReferenceError: web3 is not defined in Web3.js
I got an exception Uncaught ReferenceError: web3 is not defined in Web3.js when I created the connect Metamask wallet function for my web app. Anyone can help?
RPC Error: Unrecognized chain ID . Try adding the chain using wallet_addEthereumChain first
MetaMask - RPC Error: Unrecognized chain ID "0xFA". Try adding the chain using wallet_addEthereumChain first. This is Web3 js throw when connecting to Metamask.