What is the significance of the Uncaught ArgumentCountError in PHP and how can it be resolved?

The Uncaught ArgumentCountError in PHP occurs when a function or method is called with an incorrect number of arguments. This error can be resolved by ensuring that the correct number of arguments is passed to the function or method when it is called.

function addNumbers($num1, $num2) {
    return $num1 + $num2;
}

// Correct way to call the function
$result = addNumbers(5, 10);
echo $result;