Title: functions.php using MesoColumn theme fatal error
Last modified: August 21, 2016

---

# functions.php using MesoColumn theme fatal error

 *  [glen73](https://wordpress.org/support/users/glen73/)
 * (@glen73)
 * [12 years, 4 months ago](https://wordpress.org/support/topic/functionsphp-using-mesocolumn-theme-fatal-error/)
 * Hi all. Yes I was messing about with my functions.php and header.php files. I
   was trying to get ubermenu working with no luck and I have now crashed my site.
   I am getting this error message:
    Fatal error: Call to undefined function add_action()
   in /home2/ckadesig/public_html/wordpress/wp-includes/functions.php on line 64
   I have tried to undo what I have done but no success. I haven’t backed up either
   file. How can I fix or restore these files? Here is my functions.php code:
 *     ```
       <?php
   
       ////////////////////////////////////////////////////////////////////////////////
   
       // Global Define
   
       ////////////////////////////////////////////////////////////////////////////////
   
       define('TEMPLATE_DOMAIN', 'mesocolumn'); // do not change this, its for translation and options string
   
       define('SUPER_STYLE', 'no');
   
       ////////////////////////////////////////////////////////////////////////////////
   
       // Additional Theme Support
   
       ////////////////////////////////////////////////////////////////////////////////
   
       function mesocolumn_init_setup() {
   
       if ( !isset( $content_width ) ) { $content_width = 550; }
   
       ////////////////////////////////////////////////////////////////////////////////
   
       // Add Language Support
   
       ////////////////////////////////////////////////////////////////////////////////
   
       load_theme_textdomain( TEMPLATE_DOMAIN, get_template_directory() . '/languages' );
   
       add_theme_support( 'post-thumbnails' );
   
       add_theme_support( 'woocommerce' );
   
       add_image_size( 'thumbnail', 300, 300, true);
   
       add_image_size( 'featured-slider-img', 640, 480, true );
   
       set_post_thumbnail_size( 624, 9999 ); // Unlimited height, soft crop
   
       // Add default posts and comments RSS feed links to head
   
       add_theme_support( 'automatic-feed-links' );
   
       add_editor_style();
   
       add_theme_support( 'menus' );
   
       register_nav_menus( array(
   
       'top' => __( 'Top Menu', TEMPLATE_DOMAIN ),
   
       'primary' => __( 'Primary Menu', TEMPLATE_DOMAIN ),
   
       'footer' => __( 'Footer Menu', TEMPLATE_DOMAIN ),
   
       ));
   
       $custom_background_support = array(
   
       	'default-color'          => '',
   
       	'default-image'          => '',
   
       	'wp-head-callback'       => '_custom_background_cb',
   
       	'admin-head-callback'    => '',
   
       	'admin-preview-callback' => ''
   
       );
   
       add_theme_support( 'custom-background', $custom_background_support );
   
       // Add support for custom headers.
   
       $custom_header_support = array(
   
       // The default header text color.
   
       		'default-text-color' => 'ffffff',
   
               'default-image' => '',
   
               'header-text'  => true,
   
       		// The height and width of our custom header.
   
       		'width' => 1440,
   
       		'height' => '',
   
       		// Support flexible heights.
   
       		'flex-height' => true,
   
       		// Random image rotation by default.
   
       	   'random-default'	=> false,
   
       		// Callback for styling the header.
   
       		'wp-head-callback' => '',
   
       		// Callback for styling the header preview in the admin.
   
       		'admin-head-callback' => '',
   
       		// Callback used to display the header preview in the admin.
   
       		'admin-preview-callback' => '',
   
       );
   
       add_theme_support( 'custom-header', $custom_header_support );
   
       }
       add_action( 'after_setup_theme', 'mesocolumn_init_setup' );
   
       // add default callback for wp_pages
   
       function mesocolumn_revert_wp_menu_page($args) {
   
       global $bp, $bp_active;
   
       $pages_args = array('depth' => 0,'echo' => false,'exclude' => '','title_li' => '');
   
       $menu = wp_page_menu( $pages_args );
   
       $menu = str_replace( array( '<div class="menu">
       <ul>', '</ul>
       </div>' ), array( '<ul class="sf-menu">', '' ), $menu );
   
       echo $menu;
   
       if($bp_active=='true'):
   
       do_action( 'bp_nav_items' );
   
       endif; 
   
        ?>
   
       <?php }
   
       // add default callback for wp_list_categories
   
       function mesocolumn_revert_wp_menu_cat() {
   
       global $bp;
   
       $menu = wp_list_categories('orderby=name&show_count=0&title_li=');
   
       return $menu;
   
        ?>
   
       <?php }
   
       // add home link in custom menus
   
       function mesocolumn_dtheme_page_menu_args( $args ) {
   
       $args['show_home'] = true; return $args; }
   
       add_filter( 'wp_page_menu_args', 'mesocolumn_dtheme_page_menu_args' );
   
       ///////////////////////////////////////////////////////////////////////////////
   
       // Check if BuddyPress is installed
   
       //////////////////////////////////////////////////////////////////////////////
   
       if ( function_exists( 'bp_is_active' ) ) {
   
       global $blog_id, $current_blog;
   
       if ( is_multisite() ) {
   
       //check if multiblog
   
       if ( defined( 'BP_ENABLE_MULTIBLOG' ) && BP_ENABLE_MULTIBLOG ) {
   
       $bp_active = 'true';
   
       } else if ( defined( 'BP_ROOT_BLOG' ) && BP_ROOT_BLOG == $current_blog->blog_id ) {
   
       $bp_active = 'true';
   
       }
   
       else if ( defined( 'BP_ROOT_BLOG' ) && ( $blog_id != 1 ) ) {
   
       $bp_active = 'false';
   
       }
   
       } else {
   
       $bp_active = 'true';
   
       }
   
       }
   
       else {
   
       $bp_active = 'false';
   
       }
   
       ///////////////////////////////////////////////////////////////////////////////
   
       // Check if BBPress installed and if in bbpress forum page
   
       //////////////////////////////////////////////////////////////////////////////
   
       if ( class_exists( 'bbPress' ) ) :
   
       function mesocolumn_check_bpress_init() {
   
       global $in_bbpress;
   
       $forum_root_slug = get_option('_bbp_forum_slug');
   
       $topic_root_slug = get_option('_bbp_topic_slug');
   
       $reply_root_slug = get_option('_bbp_reply_slug');
   
       if( get_post_type() == 'forum' || is_page('forums') || is_page('support') || get_post_type() == $forum_root_slug ||
   
       get_post_type() == $topic_root_slug || get_post_type() == $reply_root_slug ) {
   
       $in_bbpress = 'true';
   
       }
   
       //echo $in_bbpress;
   
       }
   
       add_action('wp_head','mesocolumn_check_bpress_init');
   
       endif;
   
       function mesocolumn_theme_custom_style_init() {
   
       global $theme_version,$is_IE,$bp_active;
   
       if($is_IE): ?>
   
       <style type="text/css">
   
       #main-navigation,.post-meta,a.button,input[type='button'], input[type='submit'],h1.post-title,.wp-pagenavi a,#sidebar .item-options,.iegradient,h3.widget-title,.footer-bottom,.sf-menu .current_page_item a, .sf-menu .current_menu_item a, .sf-menu .current-menu-item a,.sf-menu .current_page_item a:hover, .sf-menu .current_menu_item a:hover, .sf-menu .current-menu-item a:hover {filter: none !important;} #buddypress .activity-list .activity-avatar {float: none !important;}
   
       </style>
   
       <?php endif; ?>
   
       <?php print "<style type='text/css' media='all'>"; ?>
   
       @font-face {
   
       font-family: 'FontAwesome';
   
       src: url('<?php echo get_template_directory_uri(); ?>/lib/scripts/fontawesome/font/fontawesome-webfont.eot');
   
       src: url('<?php echo get_template_directory_uri(); ?>/lib/scripts/fontawesome/font/fontawesome-webfont.eot?#iefix') format('eot'), url('<?php echo get_template_directory_uri(); ?>/lib/scripts/fontawesome/font/fontawesome-webfont.woff') format('woff'), url('<?php echo get_template_directory_uri(); ?>/lib/scripts/fontawesome/font/fontawesome-webfont.ttf') format('truetype'), url('<?php echo get_template_directory_uri(); ?>/lib/scripts/fontawesome/font/FontAwesome.otf') format('opentype'), url('<?php echo get_template_directory_uri(); ?>/lib/scripts/fontawesome/font/fontawesome-webfont.svg#FontAwesome') format('svg');
   
       font-weight: normal;
   
       font-style: normal;
   
       }
   
       <?php get_template_part ( '/lib/options/options-css' ); ?>
   
       <?php
   
       $header_textcolor = get_theme_mod('header_textcolor');
   
       if( get_header_image() && $header_textcolor != '' ): ?>
   
       #custom #header-overlay a {color: #<?php echo $header_textcolor; ?> !important;text-decoration: none;}
   
       #custom #siteinfo p#site-description {color: #<?php echo $header_textcolor; ?> !important;text-decoration: none;}
   
       <?php endif; ?>
   
       <?php
   
       $header_overlay = get_theme_mod('custom_header_overlay');
   
       if( get_header_image() && $header_overlay == 'Yes' ): ?>
   
       #header-overlay { float:left;width:100%;padding:0%;background: transparent url('<?php echo get_header_image(); ?>') no-repeat center center; background-size: auto <?php echo get_custom_header()->height; ?>px; height:<?php echo get_custom_header()->height; ?>px; }
   
       @media only screen and (min-width:300px) and (max-width:770px){
   
       #header-overlay { background-size: 100% auto; height:auto; }
   
       }
   
       <?php endif; ?>
   
       <?php $breadcrumb_on = get_theme_option('breadcrumbs_on');
   
       if($breadcrumb_on != 'Enable'): ?>
   
       .content, #right-sidebar { padding-top: 3em !important; }
   
       <?php endif; ?>
   
       <?php if( get_theme_option('custom_css', 'css') ): ?>
   
       <?php echo get_theme_option('custom_css', 'css'); ?>
   
       <?php endif; ?>
   
       <?php print "</style>"; ?>
   
       <?php }
   
       add_action('wp_head','mesocolumn_theme_custom_style_init');
   
       ///////////////////////////////////////////////////////////////////////////////
   
       // Load Theme Styles and Javascripts
   
       ///////////////////////////////////////////////////////////////////////////////
   
       /*---------------------------load google webfont style--------------------------------------*/
   
       function mesocolumn_theme_load_gwf_styles() {
   
       if( get_theme_option('body_font') == 'Choose a font' || get_theme_option('body_font') == '') {
   
       wp_register_style('default_gwf', 'http://fonts.googleapis.com/css?family=Open+Sans:400,400italic,600,600italic,700,700italic,300,300italic');
   
       wp_enqueue_style( 'default_gwf');
   
       }
   
       }
   
       add_action('wp_enqueue_scripts', 'mesocolumn_theme_load_gwf_styles');
   
       /*---------------------------load styles--------------------------------------*/
   
       function mesocolumn_theme_load_styles() {
   
       global $theme_version,$is_IE,$bp_active;
   
       if ( class_exists('woocommerce') && get_theme_option('custom_shop') == 'Enable' ) {
   
       if( file_exists( get_template_directory() . '/lib/woocommerce/woocommerce-theme-css.css' ) ):
   
       wp_enqueue_style( 'custom-woo-css', get_template_directory_uri() . '/lib/woocommerce/woocommerce-theme-css.css', array(), $theme_version );
   
       endif;
   
       }
   
       if ( class_exists('jigoshop') && get_theme_option('custom_shop') == 'Enable' ) {
   
       if( file_exists( get_template_directory() . '/lib/jigoshop/jigoshop-theme-css.css' ) ):
   
       wp_enqueue_style( 'custom-jigoshop-css', get_template_directory_uri() . '/lib/jigoshop/jigoshop-theme-css.css', array(), $theme_version );
   
       endif;
   
       }
   
       if($bp_active=='true'):
   
       /* activate buddypress css */
   
       if( file_exists( get_template_directory() . '/lib/buddypress/bp-css.css' ) ):
   
       wp_enqueue_style( 'bp-css', get_template_directory_uri() . '/lib/buddypress/bp-css.css', array(), $theme_version );
   
       endif;
   
       endif;
   
       wp_enqueue_style( 'superfish', get_template_directory_uri(). '/lib/scripts/superfish-menu/css/superfish.css', array(), $theme_version );
   
       wp_enqueue_style( 'tabber', get_template_directory_uri() . '/lib/scripts/tabber/tabber.css', array(), $theme_version );
   
       if ( ( is_home() || is_front_page() || is_page_template('page-templates/template-blog.php') ) && get_theme_option('slider_on') == 'Enable'  ) {
   
       wp_enqueue_style( 'jd-gallery-css', get_template_directory_uri(). '/lib/scripts/jd-gallery/jd.gallery.css', array(), $theme_version );
   
       }
   
       /*load font awesome */
   
       wp_enqueue_style( 'font-awesome', get_template_directory_uri() . '/lib/scripts/fontawesome/css/font-awesome.css', array(), $theme_version );
   
       if($is_IE):
   
       wp_enqueue_style( 'font-awesome-ie7', get_template_directory_uri() . '/lib/scripts/fontawesome/css/font-awesome-ie7.css', array(), $theme_version );
   
       endif;
   
       /* load custom style */
   
       if( file_exists( get_template_directory() . '/custom.css' ) ):
   
       wp_enqueue_style( 'custom-css', get_template_directory_uri() . '/custom.css', array(), $theme_version );
   
       endif;
   
       ?>
   
       <?php
   
       }
   
       add_action( 'wp_enqueue_scripts', 'mesocolumn_theme_load_styles' );
   
       /*---------------------------load js scripts--------------------------------------*/
   
       function mesocolumn_theme_load_scripts() {
   
       global $theme_version, $is_IE;
   
       wp_enqueue_script("jquery");
   
       wp_enqueue_script('hoverIntent');
   
       wp_enqueue_script('modernizr', get_template_directory_uri() . '/lib/scripts/modernizr/modernizr.js', false, $theme_version, true );
   
       if($is_IE):
   
       wp_enqueue_script('html5shim', '//html5shiv.googlecode.com/svn/trunk/html5.js', false,$theme_version, false );
   
       endif;
   
       wp_enqueue_script( 'tabber', get_template_directory_uri() . '/lib/scripts/tabber/tabber.js', false, $theme_version, true );
   
       wp_enqueue_script('superfish-js', get_template_directory_uri() . '/lib/scripts/superfish-menu/js/superfish.js', false, $theme_version, true );
   
       wp_enqueue_script('supersub-js', get_template_directory_uri() . '/lib/scripts/superfish-menu/js/supersubs.js', false, $theme_version, true );
   
       if ( ( is_home() || is_front_page() || is_page_template('page-templates/template-blog.php') ) && get_theme_option('slider_on') == 'Enable' ) {
   
       wp_enqueue_script('mootools-js', get_template_directory_uri(). '/lib/scripts/jd-gallery/mootools.v1.11.js', false, $theme_version, true );
   
       wp_enqueue_script('jd-gallery2-js', get_template_directory_uri(). '/lib/scripts/jd-gallery/jd.gallery.v2.js', false, $theme_version, true );
   
       wp_enqueue_script('jd-gallery-set-js', get_template_directory_uri(). '/lib/scripts/jd-gallery/jd.gallery.set.js', false, $theme_version, true );
   
       wp_enqueue_script('jd-gallery-transitions-js', get_template_directory_uri(). '/lib/scripts/jd-gallery/jd.gallery.transitions.js', false, $theme_version, true );
   
       }
   
       wp_enqueue_script('custom-js', get_template_directory_uri() . '/lib/scripts/custom.js', false,$theme_version, true );
   
       if ( is_singular() && get_option( 'thread_comments' ) && comments_open() ) wp_enqueue_script( 'comment-reply' ); ?>
   
       <?php }
   
       add_action( 'wp_enqueue_scripts', 'mesocolumn_theme_load_scripts' );
   
       /* prior to mesocolumn theme custom.css */
   
       function check_if_custom_css_exists() {
   
       if( file_exists( get_template_directory() . '/custom.css') || file_exists( get_stylesheet_directory() . '/custom.css') ):
   
       printf( __('<div class="error"><p>Custom.css found in your theme, please copy paste your <a href="%1$s">custom.css</a> content into wp-admin->appeareance->custom css and then delete/moved the custom.css file.</p></div>', TEMPLATE_DOMAIN), admin_url('/theme-editor.php?file=custom.css&theme=mesocolumn') );
   
       endif;
   
       }
   
       add_action('admin_notices', 'check_if_custom_css_exists', 10);
   
       function check_if_option_db_updated() {
   
       $check_themecleanup = get_option('tn_mesocolumn_body_font');
   
       if( $check_themecleanup ) {
   
       printf( __('<div class="error"><p>Theme Options database need to update! resave your theme options, category color, page color and custom css options one by one</p></div>', TEMPLATE_DOMAIN) );
   
       }
   
       }
   
       add_action('admin_notices', 'check_if_option_db_updated', 10);
   
       ////////////////////////////////////////////////////////////////////////////////
   
       // Add Theme Functions for parent and child theme compability
   
       ////////////////////////////////////////////////////////////////////////////////
   
       /* check parent and child theme for theme-functions.php */
   
       if( is_child_theme() && 'mesocolumn' == get_template() && file_exists( get_stylesheet_directory() . '/lib/functions/theme-functions.php' ) ):
   
       include( get_stylesheet_directory() . '/lib/functions/theme-functions.php' );
   
       else:
   
       include( get_template_directory() . '/lib/functions/theme-functions.php' );
   
       endif;
   
       /* check parent and child theme for option-functions.php */
   
       if( is_child_theme() && 'mesocolumn' == get_template() && file_exists( get_stylesheet_directory() . '/lib/functions/option-functions.php' ) ):
   
       include( get_stylesheet_directory() . '/lib/functions/option-functions.php' );
   
       else:
   
       include( get_template_directory() . '/lib/functions/option-functions.php' );
   
       endif;
   
       /* check parent and child theme for option-functions.php */
   
       if( is_child_theme() && 'mesocolumn' == get_template() && file_exists( get_stylesheet_directory() . '/lib/functions/custom-header-functions.php' ) ):
   
       include( get_stylesheet_directory() . '/lib/functions/custom-header-functions.php' );
   
       else:
   
       include( get_template_directory() . '/lib/functions/custom-header-functions.php' );
   
       endif;
   
       /* check parent and child theme for widget-functions.php */
   
       if( is_child_theme() && 'mesocolumn' == get_template() && file_exists( get_stylesheet_directory() . '/lib/functions/widget-functions.php' ) ):
   
       include( get_stylesheet_directory() . '/lib/functions/widget-functions.php' );
   
       else:
   
       include( get_template_directory() . '/lib/functions/widget-functions.php' );
   
       endif;
   
       /* check parent and child theme for custom-functions.php */
   
       if( is_child_theme() && 'mesocolumn' == get_template() && file_exists( get_stylesheet_directory() . '/lib/functions/custom-functions.php' ) ):
   
       include( get_stylesheet_directory() . '/lib/functions/custom-functions.php' );
   
       else:
   
       if( file_exists( get_template_directory() . '/lib/functions/custom-functions.php' ) ):
   
       include( get_template_directory() . '/lib/functions/custom-functions.php' );
   
       endif;
   
       endif;
   
       /* check parent and child theme for hook-functions.php */
   
       if( is_child_theme() && 'mesocolumn' == get_template() && file_exists( get_stylesheet_directory() . '/lib/functions/hook-functions.php' ) ):
   
       include( get_stylesheet_directory() . '/lib/functions/hook-functions.php' );
   
       else:
   
       if( file_exists( get_template_directory() . '/lib/functions/hook-functions.php' ) ):
   
       include( get_template_directory() . '/lib/functions/hook-functions.php' );
   
       endif;
   
       endif;
   
       /* check parent and child theme for bp-custom-functions.php */
   
       if($bp_active=='true'):
   
       if( is_child_theme() && 'mesocolumn' == get_template() && file_exists( get_stylesheet_directory() . '/lib/buddypress/bp-custom-functions.php' ) ):
   
       include( get_stylesheet_directory() . '/lib/buddypress/bp-custom-functions.php' );
   
       else:
   
       if( file_exists( get_template_directory() . '/lib/buddypress/bp-custom-functions.php' ) ):
   
       include( get_template_directory() . '/lib/buddypress/bp-custom-functions.php' );
   
       endif;
   
       endif;
   
       endif;
   
       /* check parent and child theme for bp-widgets-functions.php */
   
       if($bp_active=='true'):
   
       if( is_child_theme() && 'mesocolumn' == get_template() && file_exists( get_stylesheet_directory() . '/lib/buddypress/bp-widgets-functions.php' ) ):
   
       include( get_stylesheet_directory() . '/lib/buddypress/bp-widgets-functions.php' );
   
       else:
   
       if( file_exists( get_template_directory() . '/lib/buddypress/bp-widgets-functions.php' ) ):
   
       include( get_template_directory() . '/lib/buddypress/bp-widgets-functions.php' );
   
       endif;
   
       endif;
   
       endif;
   
       /* check parent and child theme for bbpress-theme-functions.php */
   
       if ( class_exists('bbPress') ):
   
       if( is_child_theme() && 'mesocolumn' == get_template() && file_exists( get_stylesheet_directory() . '/lib/bbpress/bbpress-theme-functions.php' ) ):
   
       include( get_stylesheet_directory() . '/lib/bbpress/bbpress-theme-functions.php' );
   
       else:
   
       if( file_exists( get_template_directory() . '/lib/bbpress/bbpress-theme-functions.php' ) ):
   
       include( get_template_directory() . '/lib/bbpress/bbpress-theme-functions.php' );
   
       endif;
   
       endif;
   
       endif;
   
       /* check parent and child theme for woocommerce-theme-functions.php */
   
       if ( class_exists('woocommerce') ) :
   
       if( is_child_theme() && 'mesocolumn' == get_template() && file_exists( get_stylesheet_directory() . '/lib/woocommerce/woocommerce-theme-functions.php' ) ):
   
       include( get_stylesheet_directory() . '/lib/woocommerce/woocommerce-theme-functions.php' );
   
       else:
   
       if ( file_exists( get_template_directory() . '/lib/woocommerce/woocommerce-theme-functions.php' ) ):
   
       include( get_template_directory() . '/lib/woocommerce/woocommerce-theme-functions.php' );
   
       endif;
   
       endif;
   
       endif;
   
       /* check parent and child theme for jigoshop-theme-functions.php */
   
       if ( class_exists('jigoshop') ) :
   
       if( is_child_theme() && 'mesocolumn' == get_template() && file_exists( get_stylesheet_directory() . '/lib/jigoshop/jigoshop-theme-functions.php' ) ):
   
       include( get_stylesheet_directory() . '/lib/jigoshop/jigoshop-theme-functions.php' );
   
       else:
   
       if ( file_exists( get_template_directory() . '/lib/jigoshop/jigoshop-theme-functions.php' ) ):
   
       include( get_template_directory() . '/lib/jigoshop/jigoshop-theme-functions.php' );
   
       endif;
   
       endif;
   
       endif;
   
       ?>
       ```
   
 * _[Moderator Note: Please post code or markup between backticks or use the code
   button. Or better still – use a [pastebin](http://pastebin.com/). Your posted
   code may now have been permanently damaged by the forum’s parser.]_

Viewing 1 replies (of 1 total)

 *  Thread Starter [glen73](https://wordpress.org/support/users/glen73/)
 * (@glen73)
 * [12 years, 4 months ago](https://wordpress.org/support/topic/functionsphp-using-mesocolumn-theme-fatal-error/#post-4571222)
 * This was the area I messed with:
 *     ```
       // add default callback for wp_pages
   
       function mesocolumn_revert_wp_menu_page($args) {
   
       global $bp, $bp_active;
   
       $pages_args = array('depth' => 0,'echo' => false,'exclude' => '','title_li' => '');
   
       $menu = wp_page_menu( $pages_args );
   
       $menu = str_replace( array( '<div class="menu">
   
       <ul>', '</ul>
       </div>' ), array( '<ul class="sf-menu">', '' ), $menu );
   
       echo $menu;
   
       if($bp_active=='true'):
   
       do_action( 'bp_nav_items' );
   
       endif; 
   
        ?>
       ```
   
 * _[Moderator Note: Please post code & markup between backticks or use the code
   button. Your posted code may now have been permanently damaged by the forum’s
   parser.]_

Viewing 1 replies (of 1 total)

The topic ‘functions.php using MesoColumn theme fatal error’ is closed to new replies.

 * 1 reply
 * 1 participant
 * Last reply from: [glen73](https://wordpress.org/support/users/glen73/)
 * Last activity: [12 years, 4 months ago](https://wordpress.org/support/topic/functionsphp-using-mesocolumn-theme-fatal-error/#post-4571222)
 * Status: not resolved

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