Fatal error problem

Hej.

Jeg har en Fatal error: Cannot access empty property in /usr/home/web/*mit_user*/includes/portal_rss.php on line 22

Jeg kan desværre ikke hitte ud af fejlen så hjælp ønskes.

På forhånd tak.

<?php 
if ( !defined('IN_PHPBB') ) 
{ 
        die("Hacking attempt"); 
} 


// Portal block #1 
$sql = "SELECT * FROM ".RSS_TABLE." 
        WHERE rss_location = 3 
        AND rss_enable = 1"; 

if(!$result = $db->sql_query($sql)) 
{ 
        message_die(GENERAL_ERROR, "Could not query RSS news information", "", __LINE__, __FILE__, $sql); 
} 

$rss_rows = array(); 
$row = $db->sql_fetchrow($result); 

$rss = new rss(); 
$rss->$items_limit = $row['rss_limit']; 
$rss_items = $rss->Get($row['rss_url']); 

if($rss_items['items_count'] != 0) 
{ 
        $template->assign_block_vars("rss_block1", array()); 
} 

$max_rss = ($rss_items['items_count'] < $row['rss_limit']) ? $rss_items['items_count'] : $row['rss_limit']; 
for($i=0;$i<$max_rss;$i++) 
{ 
        $template->assign_block_vars("rss_block1.rss_portal", array( 
                                      'RSS_ARTC_TITLE' => "<a href=\\"".$rss_items['items'][$i]['link']."\\" target=\\"_child\\">".$rss_items['items'][$i]['title']."</a>", 
                                      'RSS_ARTC_TIME' => $rss_items['items'][$i]['date'], 
                                      ) 
        ); 
} 


// Portal block #2 
$sql = "SELECT * FROM ".RSS_TABLE." 
        WHERE rss_location = 4 
        AND rss_enable = 1"; 

if(!$result = $db->sql_query($sql)) 
{ 
        message_die(GENERAL_ERROR, "Could not query RSS news information", "", __LINE__, __FILE__, $sql); 
} 

$row1 = $db->sql_fetchrow($result); 

$rss1 = new rss(); 
$rss1->$items_limit = $row1['rss_limit']; 
$rss_items1 = $rss1->Get($row1['rss_url']); 

if($rss_items1['items_count'] != 0) 
{ 
        $template->assign_block_vars("rss_block2", array()); 
} 

$max_rss1 = ($rss_items1['items_count'] < $row1['rss_limit']) ? $rss_items1['items_count'] : $row1['rss_limit']; 
for($i=0;$i<$max_rss1;$i++) 
{ 
        $template->assign_block_vars("rss_block2.rss_portal2", array( 
                                      'RSS_ARTC_TITLE' => "<a href=\\"".$rss_items1['items'][$i]['link']."\\" target=\\"_child\\">".$rss_items1['items'][$i]['title']."</a>", 
                                      'RSS_ARTC_TIME' => $rss_items1['items'][$i]['date'], 
                                      ) 
        ); 
} 
?>