Error on line 23...

require_once(ROOTPATH . 'b-layer/functions/pages.functions.php');
require_once(ROOTPATH . 'b-layer/functions/page.functions.php');

$PagesFunction = new Pages_Functions();
$PageSettings = new PageSettings();
    
$PageType = "Add";
$user_id = $_POST['uid_set'];
$titlebar = "";
$title = "";
$description = "";
$keywords = "";
$content = "";
$filename = "";
$templatename = "";
$selected_value = "";
$protectedPass = "";
require(ROOTPATH . 'p-layer/templates/PageForm.tpl');

<tr>
   <td>Keywords</td>
   <td><textarea id="keywords" name="keywords" style="width:300px;" rows="3"><?php echo $keywords; ?></textarea></td>
   <td></td>
</tr>
<tr>
   <td colspan="3">
      <div id="editor1"></div>
            <div id="content_info">Content: <?php echo $content ?></div>
            <script type="text/javascript">
                var editor;
                var html = document.getElementById('content_info').innerHTML;
                editor = CKEDITOR.appendTo('editor1');
                editor.setData(html);
   </script>
   </td>
</tr>
<tr>
   <td>Filename</td>
   <td><input type="text" id="filename" name="filename" style="width:300px;" value="<?php echo $filename; ?>"></td>
   <td></td>
</tr>

<button type="submit" onclick="SaveForm('<?php echo $PageType; ?>'); return false;" ondblclick="SaveForm('<?php echo $PageType; ?>'); return false;" name="Save" style="border:0; background:transparent; cursor:pointer; float:right;"> 
   <img src="<?php echo WEBPATH; ?>/images/accept.png" alt="Save" width="32px" height="32px"/> 
</button>

function SaveForm(ProgressType) {
   var content = CKEDITOR.instances.editor1.getData();
    editor.destroy();
   editor = null;

// get all values of the inputs and will send them to the php file.