NETWORK ERROR issue in hardhat SOLVED [code: 'UND_ERR_CONNECT_TIMEOUT']

[moayaan1911]

code: 'UND_ERR_CONNECT_TIMEOUT'

This issue is not related to your code or rinkeby testnet but to your node provider. For me, alchemy and infura both failed so I used QuickNode. Try Quicknode or any other node provider if you are facing this issue.