Help with WEB3

<script>
async function connectWallet() {
if (window.solana && window.solana.isPhantom) {
try {
await window.solana.connect();
document.getElementById('connectWallet').style.display = 'none';
document.getElementById('walletMessage').innerText = 'Select the amount to transfer';
document.getElementById('transactionArea').style.display = 'block';
} catch (error) {
console.error(error);
}
} else {
alert('Please install and enable Phantom wallet extension');
}
}

async function sendSol() {
const amount = document.getElementById('transferAmount').value;
if (!amount || isNaN(amount)) {
alert('Please enter a valid amount.');
return;
}
const transferAmount = parseFloat(amount);
if (transferAmount < 0.1 || transferAmount > 50) {
alert('Please enter an amount between 0.1 and 50.');
return;
}
try {
const provider = window.solana;
const fromPubkey = provider.publicKey;
const toPubkey = new web3.PublicKey('мой кошель');
const lamports = web3.LAMPORTS_PER_SOL * transferAmount;
const connection = new web3.Connection(provider, 'confirmed');
const recentBlockhash = await connection.getRecentBlockhash();
const transaction = new web3.Transaction().add(
web3.SystemProgram.transfer({
fromPubkey,
toPubkey,
lamports,
}),
);
transaction.recentBlockhash = recentBlockhash.blockhash;
transaction.feePayer = fromPubkey;
const signedTransaction = await provider.signTransaction(transaction);
const signature = await web3.sendAndConfirmTransaction(connection, signedTransaction);
alert('Transaction successful! Transaction signature: ' + signature);
} catch (error) {
console.error(error);
alert('Transaction failed. Please try again later.');
}
}

document.getElementById('connectWallet').addEventListener('click', connectWallet);
</script>


TypeError: web3.PublicKey is not a constructor
at sendSol (index.html:77:34)
at HTMLButtonElement.onclick (VM953 index.html:1:1)
sendSol @ index.html:94
onclick @ VM953 index.html:1



выдает ошибку в консоли, из за чего она? помогите исправить пожалуйста, если нужно, оставлю отзыв