shoutbox fehlermeldung

Warning: mysql_fetch_array(): supplied argument is not a valid MySQL result resource in /srv/www/htdocs/web12/html/party-truppe/shoutbox.php on line 161

<td align="top" valign="top"> 
        //   LINIE 161 <?php while($print = mysql_fetch_array($ausgabe)){?>
            <table width="100%" border="0" cellspacing="0" cellpadding="0">
              <tr>
                <td width="2%">&nbsp;</td> 
                <td class="sbtext" width="98%"><b> 
                  <span class="sbtext"><?=$print[nick]?></span>
                  </b><br>
                  schrieb am
                  <? print date("d.m.", $print[time]); ?>
                  um 
                  <? print date("H:i", $print[time]); ?>
                  <br>
                  <span class="sbtext">
                  <?=$print[txt]?></span>
                  <br>
                  <br></td>
              </tr>
            </table>
            <? } ?></td>

$link = mysql_connect($dbhost, $dbuser, $dbpass);
mysql_select_db($dbtable, $link);

if($txtMessage!="" && $txtNickname!=""){
	$txtMessage=format_message($txtMessage);
	$txtNickname=format_title($txtNickname);
	mysql_query("INSERT INTO $shoutbox (time, nick, txt,ip) VALUES('".time()."', '$txtNickname', '$txtMessage','$ip')");
}

$ausgabe = mysql_query("SELECT * FROM $shoutbox ORDER BY time DESC LIMIT 5");

$link = mysql_connect($dbhost, $dbuser, $dbpass);
mysql_select_db($dbtable, $link);

if($txtMessage!="" && $txtNickname!=""){
	$txtMessage=format_message($txtMessage);
	$txtNickname=format_title($txtNickname);
	mysql_query("INSERT INTO $shoutbox (time, nick, txt,ip) VALUES('".time()."', '$txtNickname', '$txtMessage','$ip')");
	or die(mysql_error());
}

$ausgabe = mysql_query("SELECT * FROM $shoutbox ORDER BY time DESC LIMIT 5");

mysql_query("INSERT INTO $shoutbox (time, nick, txt,ip) VALUES('".time()."', '$txtNickname', '$txtMessage','$ip')")
	or die(mysql_error());

Warning: mysql_fetch_array(): supplied argument is not a valid MySQL result resource in /srv/www/htdocs/web12/html/party-truppe/shoutbox.php on line 162

$ausgabe = mysql_query("SELECT * FROM $shoutbox ORDER BY time DESC LIMIT 5") or die(mysql_error());