ho provato a mettere anche manualmente il nome del file da caricare e ottengo lo stesso errore...

mo provo a postare il codice html del template...

codice:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<link rel="icon" href="/img/loguito.gif" type="image/x-icon">
<title>AVANTGARDE HOTELS: $hotel_name, $city_name - $country_name</title>
<link href="/styles.css" rel="stylesheet" type="text/css">
<META NAME="description" CONTENT="$city_short_description">
<META NAME="keywords" CONTENT="$keywords">
</head>
<SCRIPT LANGUAGE='JavaScript'> function openWindow(url) { popupWin = window.open(url, 'openWin', "width=400, height=250, scrollbars=yes"); } </SCRIPT>
<script language="javascript" src="/openwin.js"></script>
<script type="text/javascript" src="http://www.ehbox.com/stats-avantgarde/php-stats.js.php"></script>
<noscript></noscript>
<body>
<table width="100%" border="0" cellspacing="0" cellpadding="2">
  <tr> 
    <td width="120" rowspan="2">[img]/images/logo100x100.jpg[/img]</td>
    <td height="30" class="align_right">
	P&aacute;gina Principal|
	Hoteles|
	Reservas|
	Promociones|
	
	Contactos|
	Agencias|
	Enlaces
  </tr>
  <tr> 
    <td>[img]/images/avantgarde_hotels468x70.jpg[/img]</td>
  </tr>
</table>


</p>
<table width="100%" border="0" cellspacing="7" cellpadding="0">
  <tr> 
    <td width="256" valign="middle" class="alignright"><h3 class="align_right">$city_name,

        $contry_name</h3></td>
    <td width="30" valign="middle" class="align_middle">[img]/images/verticaline.gif[/img]</td>
    <td colspan="3" valign="middle"><h3><span class="txt_orange">$hotel_name</span>

        Avantgarde Superior</h3></td>
  </tr>
  <tr> 
    <td width="256" rowspan="3" valign="top" class="align_right"> 
      <p class="align_justify">$city_description</p>
      

Links:</p>
      <ul>[*]P&aacute;gina de $city_name[*]Volver al directorio[/list]</td>
    <td></td>
    <td width="210"></td>
    <td><IFRAME WIDTH="150" height="165" SRC="$booking_box_small_url&pop=1&betype=1#" frameborder="0" hspace="0" vspace="0"></IFRAME></td>
    <td width="200"> <p class="align_middle">[img]/images/hotel_info.jpg[/img]</p>
      <p class="align_middle">[img]/images/view_specials.jpg[/img]</p>
      <p class="align_middle">[img]/images/book_it_now.jpg[/img]</p>
      <p class="align_middle">
	  EN| 
	  ES| 
      DE| 
	  IT| 
	  JP 
        

        <span class="txt_small">Elige tu Idioma</span></p></td>
  </tr>
  <tr> 
    <td></td>
    <td colspan="3" valign="top"><p class="align_justify">$hotel_description</p>
      
 

Location: $location
 
      Address: $address - [img]/images/view_location_es.gif[/img]
 
      Rooms: 60.
 Click para agrandar im&aacute;genes:</p></td>
  </tr>
  <tr> 
    <td></td>
    <td colspan="3">$hotel_images</td>
  </tr>
  <tr> 
    <td></td>
    <td></td>
    <td colspan="3"></td>
  </tr>
</table>

</html>