Unable to select design and custom theme template

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I have converted a html css template into concrete5 template. Everything is working fine and also site has come awesome. Now im facing a prob, when i go to edit page and select div to edit it, unable to select design and custom template option in that. I want to select custom navigation template but unable to do it. Any help please. Below is code added in my website page...

<head>
 <?php Loader::element('header_required')?>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link rel="icon" href="<?php echo $view->getThemePath()?>/img/favicon.ico" type="image/x-icon">
<link rel="shortcut icon" href="<?php echo $view->getThemePath()?>/img/favicon.ico" type="image/x-icon" />
<meta name = "format-detection" content = "telephone=no" />
<!--CSS-->
<link rel="stylesheet" href="<?php echo $view->getThemePath()?>/css/bootstrap.css" >
<link rel="stylesheet" href="<?php echo $view->getThemePath()?>/css/style.css">
<link rel="stylesheet" href="<?php echo $view->getThemePath()?>/css/touchTouch.css">
<link rel="stylesheet" href="<?php echo $view->getThemePath()?>/fonts/font-awesome.css">
<!--JS-->
<script src="<?php echo $view->getThemePath()?>/js/jquery.js"></script>
<script src="<?php echo $view->getThemePath()?>/js/jquery-migrate-1.2.1.min.js"></script>
<script src="<?php echo $view->getThemePath()?>/js/superfish.js"></script>

 
WebcentricLtd replied on at Permalink Reply
does anything happen at all when you click on the block - is it in a sitewide area?
If you go into edit mode on a page are other blocks / areas editable?
catchanil replied on at Permalink Reply
Yes blocks are editable. I can edit all blocks. But when i go and select design and custom template option in that ill get the sub options. But when click on space or choose template or any other option its not working.