How can the "Fatal Error: require_once()" issue be resolved in PHP?

The "Fatal Error: require_once()" issue occurs when the file being included using require_once() cannot be found or accessed. To resolve this issue, you should ensure that the file path is correct and the file exists in the specified location. Additionally, check for any typos or errors in the file path.

// Incorrect file path causing Fatal Error: require_once()
require_once('path/to/incorrect/file.php');

// Correcting the file path to resolve the issue
require_once('path/to/correct/file.php');