Change Theme & KML generator

Hello Webaware,

Can you explain me why my map disappear ?
https://www-test.comptoirdesentreprises.com/region/haute-normandie/
I use the KML Dom Generation
https://www-test.comptoirdesentreprises.com/region/haute-normandie/?feed=kmlregionrss

I’m not sure about the function…

<?php

// Creates the Document.
$dom = new DOMDocument('1.0', 'UTF-8');

// Creates the root KML element and appends it to the root document.
$node = $dom->createElementNS('https://earth.google.com/kml/2.1', 'kml');
$parNode = $dom->appendChild($node);

// Creates a KML Document element and append it to the KML element.
$dnode = $dom->createElement('Document');
$docNode = $parNode->appendChild($dnode);

// Creates the two Style elements, one for standard and one for bar, and append the elements to the Document element.
$strdStyleNode = $dom->createElement('Style');
$strdStyleNode->setAttribute('id', 'standardStyle');
$strdIconstyleNode = $dom->createElement('IconStyle');
$strdIconstyleNode->setAttribute('id', 'standardIcon');
$strdIconNode = $dom->createElement('Icon');
$strdHref = $dom->createElement('href', 'https://maps.google.com/mapfiles/kml/pal2/icon63.png');
$strdIconNode->appendChild($strdHref);
$strdIconstyleNode->appendChild($strdIconNode);
$strdStyleNode->appendChild($strdIconstyleNode);
$docNode->appendChild($strdStyleNode);

/*
$barStyleNode = $dom->createElement('Style');
$barStyleNode->setAttribute('id', 'barStyle');
$barIconstyleNode = $dom->createElement('IconStyle');
$barIconstyleNode->setAttribute('id', 'barIcon');
$barIconNode = $dom->createElement('Icon');
$barHref = $dom->createElement('href', 'https://maps.google.com/mapfiles/kml/pal2/icon27.png');
$barIconNode->appendChild($barHref);
$barIconstyleNode->appendChild($barIconNode);
$barStyleNode->appendChild($barIconstyleNode);
$docNode->appendChild($barStyleNode);
*/

$term_region = get_term_by( 'slug', get_query_var( 'term' ), get_query_var( 'taxonomy' ) );

    $args = array(
    	'post_type' => 'visite',
    	'posts_per_page' => -1,
    	//'p' => 2028,
    	'post_status' => 'any',
    	'orderby' => 'ASC',
    	'tax_query' => array(
					array(
						'taxonomy' => 'tax_region',
						'field' => 'slug',
						//'terms' => 'alsace',
						'terms' => $term_region->slug,
						)
					),
		);
    $posts = new wp_query( $args );
    $posts = $posts->posts;

	//var_dump($posts);
	//die();

// Iterates through the MySQL results, creating one Placemark for each row.
foreach( $posts as $post )
{
    setup_postdata( $post );
    $location = get_post_meta( $post->ID, 'adress_factory_map', true );
    if($location != ''){
		// Creates a Placemark and append it to the Document.

		$node = $dom->createElement('Placemark');
		$placeNode = $docNode->appendChild($node);

		// Creates an id attribute and assign it the value of id column.
		$placeNode->setAttribute('id', 'placemark' . $post->ID);

		// Create name, and description elements and assigns them the values of the name and address columns from the results.
		$nameNode = $dom->createElement('name',htmlentities($post->post_title));
		$placeNode->appendChild($nameNode);
		$descNode = $dom->createElement('description', $location["address"]);
		$placeNode->appendChild($descNode);
		//$styleUrl = $dom->createElement('styleUrl', '#' . $row['type'] . 'Style');
		$styleUrl = $dom->createElement('styleUrl', '#standardStyle');
		$placeNode->appendChild($styleUrl);

		// Creates a Point element.
		$pointNode = $dom->createElement('Point');
		$placeNode->appendChild($pointNode);

		// Creates a coordinates element and gives it the value of the lng and lat columns from the results.
		$coorStr = $location['lng'] . ','  . $location['lat'];
		$coorNode = $dom->createElement('coordinates', $coorStr);
		$pointNode->appendChild($coorNode);
  	}
}

$kmlOutput = $dom->saveXML();
header('Content-type: application/vnd.google-earth.kml+xml');
echo $kmlOutput;
?>

Thank you.

https://www.ads-software.com/plugins/wp-flexible-map/