title: Unable to do transaction -ERC 721
body: <p>I'm unable to complete transaction for ERC 721 using Metamask with polygon.this error message is shown when i tryto transact.i'm using this contract.https://github.com/HashLips/solidity_smart_contracts/blob/main/contracts/NFT/NFT.sol
  <strong>Gas estimation errored with the following message (see below). The transaction execution will likely fail. Do you want to force sending? Internal JSON-RPC error. { &quot;code&quot;: -32000, &quot;message&quot;: &quot;execution reverted&quot; }</strong></p>