TypeError: Fallback function cannot take parameters. about amm-arbitrageur HOT 1 CLOSED

fallback() external {
        (address sender, 
        uint256 amount0, 
        uint256 amount1, 
        bytes memory data) = abi.decode(msg.data[4:], 
            (address, 
             uint256, 
             uint256, 
             bytes));
        _callback(sender, amount0, amount1, data);
    }

    function _callback(
        address sender,
        uint256 amount0,
        uint256 amount1,
        bytes memory data
    ) internal {
   ...