I use react and web3 to interact with metamask. Until yesterday every thing was fine. but, today some of the transaction results are not returning. I use this code to load web3

let web3
if (window.ethereum) {
  web3 = new Web3(window.ethereum)
  await window.ethereum.enable();
  this.setState({web3: web3})
else {
  window.alert('Non-Ethereum browser detected. You should consider trying MetaMask!')

when I, want to use send().on('receipt')... its not returning anything. but send().on(transactionHash)works fine I have no clue why would receipt suddenly stops to work. here is the code

accounts[0]}).on('receipt', function(receipt){
        console.log("events of transfer ownership" , receipt.events)

I mean the function works fine and the ownership transfers, but the receipt is not working at all

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