Joining Tables

[SilverDragonTears]

One more thing and then I surely will. This sort script worked fine on my old site... Now it's telling me Fatal error: Call to a member function fetchObject() on a non-object in /home/taleofdr/public_html/sort.php on line 51

<?php 

include("functions/functions.php");
include("functions/functions_users.php"); 
include("functions/functions_adopts.php"); 
include("classes/class_pagination.php"); 
include("css/pagination.css"); 
include("inc/sort.php"); 
include("inc/lang.php"); 

//***************// 
//  START SCRIPT // 
//***************// 
$id = $_GET["id"]; 
$act = $_GET["act"]; 
$more = $_GET["more"]; 
$page = $_GET["page"]; 




if($isloggedin == "yes") 
{ 
$article_content = "<p id='activate_sort' style='cursor: pointer'> 
                                 Click here to sort your dragons
                            </p> 
                            <table>"; 

        // We need to get all of the user's adoptables from the database and display them... 
         $query = "SELECT *   
                    FROM {$prefix}owned_adoptables   
                    LEFT JOIN {$prefix}sort_adoptables   
                        ON {$prefix}owned_adoptables.aid = {$prefix}sort_adoptables.adoptable_id  
                    INNER JOIN {$prefix}levels   
                        ON {$prefix}levels.thisislevel = {$prefix}owned_adoptables.currentlevel  
                    INNER JOIN {$prefix}adoptables  
                        ON {$prefix}owned_adoptables.type = {$prefix}adoptables.type  
                    WHERE {$prefix}owned_adoptables.owner = '{$loggedinname}'   
                    AND {$prefix}levels.adoptiename = {$prefix}adoptables.type  
                    ORDER BY {$prefix}sort_adoptables.sorting_id"; 
        $stmt = $adopts->query($query); 
         

$cols = 6; //the number of columns 

        do{ 
        $article_content .= "<tr>"; 
        for($i=1;$i<=$cols;$i++){  
         

        if($row = $stmt->fetchObject()){ 
            if($row->usealternates == 'yes') $image = $row->alternateimage;  
            else $image = $row->primaryimage;  
            if($row->currentlevel == 0) $image = $row->eggimage;  
            if($image=='') $image = $row->primaryimage;  
                          
            $article_content .= " <td class='sortable_adoptables' style='width: 40px;'>
                        <table id='orderaid_{$row->aid}'><tr> 
<td><img src='{$image}' width='30px' height='30px'><br>{$row->name}</td>  
                           </tr> </table></td>";    
        } 
else{ 
            $article_content .= "<td>&nbsp;</td>";    //If there are no more records at the end, add a blank column 
            } 
        } 
    } while($row); 
        $article_content .= "</table>";  
          
      }   
         
//***************// 
//  OUTPUT PAGE  // 
//***************// 

echo showpage($article_title, $article_content, $date); 

?>