How do I resolve this error?

[vikingltd]

Am getting the error that says "
Hide Copy Code
Notice: Undefined index: text1
"
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<div class="formRow" >
<div class="grid2">< label><?php echo $lang['Timezone']; ?>:</label></div>
<div class="grid10">
<?php
$query_timezone 1=mysql_query(" SELECT * FROM tbl_timezone WHERE id!='$db_timezo ne_id' ORDER BY timezone ASC");
$option_timezon e1="";
while($row=mysq l_fetch_array($ query_timezone1 )) {
$option_timezon e1 .= "<option value='$row[id]'";
$option_timezon e1 .= ">". $row['text1'] ." ". $row['timezone'] ."</option>"; }
?>
<select name="timezone" id="timezone" data-placeholder="Ch oose" class="select" tabindex="2" style="width:10 0%;">
<?php if($db_timezone _id!=0){echo "<option value='$db_time zone_id'>$db_ti mezone_code1 $db_timezone_ti mezone</option>"; }else{echo"<opt ion value=''></option> ";}?>
<?php echo $option_timezon e1; ?>
</select>
</div>
</div>