What is the issue with the variable $Name not being defined in the PHP code?

The issue with the variable $Name not being defined in the PHP code is that it is being used without being initialized or assigned a value before being called. To solve this issue, you need to define or assign a value to the $Name variable before using it in the code.

<?php
$Name = "John"; // Define and assign a value to the $Name variable
echo "Hello, $Name!";
?>