Can not get the sitemap while using multiple links

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Hello,

I tried to create a multible link box (see form code). If I add a link element with this code I can not, if I choosed internal page or file, get the sitemap or the file albums.

<?php  defined("C5_EXECUTE") or die("Access Denied."); ?>
<?php
   $remove_row_icon = '<img src="'.ASSETS_URL_IMAGES.'/icons/icon_scrapbook_delete.png" class="remove_row" style="cursor: default; height:20px; width:20px;" >';
?>
<style type="text/css">
   .linkExternal { display: none; }
   .linkInternal { display: none; }
   .linkEmail { display: none; }
   .linkFile { display: none; }
   .doNotDisplay {display: none; }
</style>
<!-- Templates -->
<li class="panel panel-info changeLink rowContainer doNotDisplay">
   <div class="panel-heading" style='cursor: move;'><?php echo($remove_row_icon) ?>  Link</div>
   <div class="panel-body">

GunterSchmitt