How can the Errorlog be checked for any relevant information regarding the issue with the navigation bar implementation?

To check the Errorlog for relevant information regarding the issue with the navigation bar implementation, you can look for any error messages or warnings that may indicate what went wrong. These errors can help pinpoint the specific issue with the navigation bar code and guide you towards a solution.

<?php
// Check the Errorlog file for any relevant information
$errorlog = file_get_contents('/path/to/errorlog');

// Output the contents of the Errorlog
echo $errorlog;
?>