Error "CALL TO A MEMBER FUNCTION DISPLAYMEDIATHUMB ON NULL"

Hi everybody,
I've installed Storefront on joomla 3.7.1 with virtuemart 3.2.1 but I cannot see the category page:
Error: 0
CALL TO A MEMBER FUNCTION DISPLAYMEDIATHUMB() ON NULL
Could someone help me please? Thank you very much!

Hi

Please send me an ftp access and an url tot he page You have this problem with to my email [email protected] so I'll see what can be wrong.

Hi.
I've solved replacing the default.php file in "/templates/gk_storefront/html/com_virtuemart/category/"
with this code:

Code: Select all

<?php
/**
*
* Show the products in a category
*
* @package   VirtueMart
* @subpackage
* @author RolandD
* @author Max Milbers
* @todo add pagination
* @link http://www.virtuemart.net
* @copyright Copyright (c) 2004 - 2010 VirtueMart Team. All rights reserved.
* @license http://www.gnu.org/copyleft/gpl.html GNU/GPL, see LICENSE.php
* VirtueMart is free software. This version may have been modified pursuant
* to the GNU General Public License, and as distributed it includes or
* is derivative of works licensed under the GNU General Public License or
* other free or open source software licenses.
* @version $Id: default.php 5120 2011-12-18 18:29:26Z electrocity $
*/

// Check to ensure this file is included in Joomla!
defined('_JEXEC') or die('Restricted access');
if(vRequest::getInt('dynamic')){
   if (!empty($this->products)) {
      if($this->fallback){
         $p = $this->products;
         $this->products = array();
         $this->products[0] = $p;
         vmdebug('Refallback');
      }

      echo shopFunctionsF::renderVmSubLayout($this->productsLayout,array('products'=>$this->products,'currency'=>$this->currency,'products_per_row'=>$this->perRow,'showRating'=>$this->showRating));

   }

   return ;
}

/* javascript for list Slide
  Only here for the order list
  can be changed by the template maker */
$js = "jQuery(document).ready(function () {
   jQuery('.orderlistcontainer').hover(
      function() { jQuery(this).find('.orderlist').stop().show()},
      function() { jQuery(this).find('.orderlist').stop().hide()}
   )
});";

$document = JFactory::getDocument();
$document->addScriptDeclaration($js);
//var_dump($this->category);
?>

<?php
/* Show child categories */
if ( VmConfig::get('showCategory',1) and empty($this->keyword)) {
      if (!empty($this->category->haschildren)) {
      // Category and Columns Counter
      $iCol = 1;
      $iCategory = 1;
      // Calculating Categories Per Row
      $categories_per_row = VmConfig::get ( 'categories_per_row', 3 );
      $category_cellwidth = ' width'.floor ( 100 / $categories_per_row );
      $BrowseTotalProducts = count($this->products[0]);
      // Separator
      $verticalseparator = " vertical-separator";
   ?>
   <div class="category-view">
      <?php // Start the Output
      if(!empty($this->category->children)) {
      foreach ( $this->category->children as $category ) { ?>
      <?php if ($iCol == 1 && $iCategory > $categories_per_row) : ?>
      <div class="horizontal-separator"></div>
      <?php endif; ?>
      
      <?php if ($iCol == 1) : ?>
      <div class="row">
      <?php endif; ?>
            <?php
         // Show the vertical seperator
         if ($iCategory == $categories_per_row or $iCategory % $categories_per_row == 0) {
            $show_vertical_separator = ' ';
         } else {
            $show_vertical_separator = $verticalseparator;
         }

         // Category Link
         $caturl = JRoute::_ ( 'index.php?option=com_virtuemart&view=category&virtuemart_category_id=' . $category->virtuemart_category_id );

            // Show Category ?>
            <div class="category floatleft<?php echo $category_cellwidth . $show_vertical_separator ?>">
               <div class="spacer">
                  <a href="<?php echo $caturl ?>" title="<?php echo $category->category_name ?>"><?php echo $category->images[0]->displayMediaThumb("",false); ?></a>
                  
                  <h2 class="catSub"> <a href="<?php echo $caturl ?>" title="<?php echo $category->category_name ?>"> <?php echo $category->category_name ?> </a> </h2>
               </div>
            </div>
            <?php
         $iCategory ++;

      // Do we need to close the current row now?
      if ($iCol == $categories_per_row) { ?>
            <div class="clear"></div>
      </div>
      <?php
         $iCol = 1;
      } else {
         $iCol ++;
      }
   }
   }
   // Do we need a final closing row tag?
   if ($iCol != 1) { ?>
      <div class="clear"></div>
</div>
<?php } ?>
</div>
<?php }
}

?>

<div class="browse-view">
<?php
   // Show child categories
   if (!empty($this->products)) {
      //revert of the fallback in the view.html.php, will be removed vm3.2
      if($this->fallback){
         $p = $this->products;
         $this->products = array();
         $this->products[0] = $p;
         vmdebug('Refallback');
      }

      $BrowseTotalProducts = count($this->products[0]);
      if (!empty($this->keyword)) {
         ?>
   <h1><?php echo $this->keyword; ?></h1>
   <?php
      }
      ?>
   <?php // Category and Columns Counter
   $iBrowseCol = 1;
   $iBrowseProduct = 1;
   
   // Calculating Products Per Row
   $BrowseProducts_per_row = $this->perRow;
   $Browsecellwidth = ' width'.floor ( 100 / $BrowseProducts_per_row );
   
   // Separator
   $verticalseparator = " vertical-separator";
?>

      <?php if(!empty($this->category->category_name)) : ?>
      <h1><?php echo $this->category->category_name; ?></h1>
      <?php endif; ?>
      
      <?php if (empty($this->keyword) && !empty($this->category) && !empty($this->category->category_description)) : ?>
      <p class="category_description">
         <?php echo $this->category->category_description; ?>
      </p>
      <?php endif; ?>
      
      <form action="<?php echo JRoute::_ ('index.php?option=com_virtuemart&view=category&limitstart=0&virtuemart_category_id=' . $this->category->virtuemart_category_id, FALSE); ?>" method="get">
            <?php if (!empty($this->products)) : ?>
            <div class="orderby-displaynumber"><?php echo $this->orderByList['orderby']; ?>
                  <div class="display-number"><?php echo $this->vmPagination->getResultsCounter();?> <?php echo $this->vmPagination->getLimitBox ($this->category->limit_list_step); ?></div>
                  
            </div>
            <?php endif ?>
            
            <?php if (!empty($this->keyword)) {
            
            $category_id  = JRequest::getInt ('virtuemart_category_id', 0); ?>
            <!--BEGIN Search Box -->
            <!--<div class="virtuemart_search"> <?php echo $this->searchcustom ?> <br />
                  <?php echo $this->searchcustomvalues ?>
                  <input style="height:16px;vertical-align :middle;" name="keyword" class="inputbox" type="text" size="20" value="<?php echo $this->keyword ?>" />
                  <input type="submit" value="<?php echo JText::_('COM_VIRTUEMART_SEARCH') ?>" class="button" onclick="this.form.keyword.focus();"/>
            </div>
            <input type="hidden" name="search" value="true" />
            <input type="hidden" name="view" value="category" />
            <input type="hidden" name="option" value="com_virtuemart"/>
            <input type="hidden" name="virtuemart_category_id" value="<?php echo $category_id; ?>"/>-->
            <!-- End Search Box -->
            <?php } ?>
      </form>
      <?php // Start the Output
foreach ( $this->products[0] as $product ) {

   // Show the horizontal seperator
   if ($iBrowseCol == 1 && $iBrowseProduct > $BrowseProducts_per_row) { ?>
      <div class="horizontal-separator"></div>
      <?php }

   // this is an indicator wether a row needs to be opened or not
   if ($iBrowseCol == 1) { ?>
      <div class="row">
            <?php }

   // Show the vertical seperator
   if ($iBrowseProduct == $BrowseProducts_per_row or $iBrowseProduct % $BrowseProducts_per_row == 0) {
      $show_vertical_separator = ' ';
   } else {
      $show_vertical_separator = $verticalseparator;
   }
      // Show Products ?>
      <div class="product floatleft<?php echo $Browsecellwidth . $show_vertical_separator ?>">
         <div class="spacer">
            <div>
               <a title="<?php echo $product->product_name ?>" href="<?php echo $product->link; ?>">
                  <?php
                     echo $product->images[0]->displayMediaThumb('class="browseProductImage"', false);
                  ?>
                </a>
            </div>
            
            <div>
               <h3 class="catProductTitle"><?php echo JHTML::link($product->link, $product->product_name); ?></h3>
               
               <div class="catProductPrice" id="productPrice<?php echo $product->virtuemart_product_id ?>">
                  <?php
                  if ($this->show_prices == '1') {
                     if ($product->prices['salesPrice']<=0 and VmConfig::get ('askprice', 1) and  !$product->images[0]->file_is_downloadable) {
                        echo JText::_ ('COM_VIRTUEMART_PRODUCT_ASKPRICE');
                     }
                     echo $this->currency->createPriceDiv ('salesPrice', 'COM_VIRTUEMART_PRODUCT_SALESPRICE', $product->prices);
                  } ?>
               </div>
               
               <?php if ( VmConfig::get ('display_stock', 1)) : ?>
               <div class="stockLavel"> <span class="vmicon vm2-<?php echo $product->stock->stock_level ?>" title="<?php echo $product->stock->stock_tip ?>"></span> <span class="stock-level"><?php echo JText::_('COM_VIRTUEMART_STOCK_LEVEL_DISPLAY_TITLE_TIP') ?></span> </div>
               <?php endif; ?>
            </div>
            
            <a href="<?php echo $product->link; ?>" class="readon"><?php echo JText::_('COM_VIRTUEMART_PRODUCT_DETAILS'); ?></a>
         </div>
      </div>
   <?php

   // Do we need to close the current row now?
   if ($iBrowseCol == $BrowseProducts_per_row || (isset($BrowseTotalProducts) && $iBrowseProduct == $BrowseTotalProducts)) {?>
      </div>
      <?php
      $iBrowseCol = 1;
   } else {
      $iBrowseCol ++;
   }

   $iBrowseProduct ++;
}
// Do we need a final closing row tag?
if ($iBrowseCol != 1) { ?>
   <div class="clear"></div>
</div>
<?php
}
?>

<?php if($this->vmPagination->getPagesLinks() != '') : ?>
<div class="pagination">
   <?php echo str_replace('</ul>', '<li class="counter">'.$this->vmPagination->getPagesCounter().'</li></ul>', $this->vmPagination->getPagesLinks()); ?>
</div>
<?php endif; ?>


</div>
<?php
} elseif (!empty($this->keyword)) {
   echo JText::_ ('COM_VIRTUEMART_NO_RESULT') . ($this->keyword ? ' : (' . $this->keyword . ')' : '');
}
?>


But now I've another problem
In the front-end going on category page there aren't product to see. If I change template I can see products in the category page...

Hi

I have an information from programmers that they are working on VM updates right now, so soon fixes will be available with newest tempalte release. Please observe this page https://www.gavick.com/updates an information about the updated files will be shown there.

Meanwhile please downgrade to last working VM version and wait for the updated templates.