Transfer ERC20 from contract

FeeCollector.sol

pragma solidity ^0.8.7;
// SPDX-License-Identifier: MIT

import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";

contract FeeCollector  {
    address public owner;
    uint256 public balance;
    
    event TransferReceived(address _from, uint _amount);
    event TransferSent(address _from, address _destAddr, uint _amount);
    
    constructor() {
        owner = msg.sender;
    }
    
    receive() payable external {
        balance += msg.value;
        emit TransferReceived(msg.sender, msg.value);
    }    
    
    function withdraw(uint amount, address payable destAddr) public {
        require(msg.sender == owner, "Only owner can withdraw funds"); 
        require(amount <= balance, "Insufficient funds");
        
        destAddr.transfer(amount);
        balance -= amount;
        emit TransferSent(msg.sender, destAddr, amount);
    }
    
    function transferERC20(IERC20 token, address to, uint256 amount) public {
        require(msg.sender == owner, "Only owner can withdraw funds"); 
        uint256 erc20balance = token.balanceOf(address(this));
        require(amount <= erc20balance, "balance is low");
        token.transfer(to, amount);
        emit TransferSent(msg.sender, to, amount);
    }    
}

transferERC20 is not working for token USDT 0xdAC17F958D2ee523a2206206994597C13D831ec7 on ethereum mainnet

What's the issue? @devatoz

Can you help me with this https://ethereum.stackexchange.com/questions/129590/use-weth-for-nft-marketplace/129594#129594?