Warning: mysql_fetch_array(): supplied argument is not a valid MySQL result resource in /home/botomul/public_html/whatsnew.php on line 130

Can Anyone tell me, How could i solve this issue, Please I need help immidiately.

<?php error_reporting (E_ALL ^ E_NOTICE); ?>
<?php
	$item=$_GET['id'];
	include ("header.php");
	$mark = mysql_query("select * from product order by product_id DESC");
	$counter=0;
?>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Welcome to the biggest marketplace-BOTOMUL.COM</title>
<meta http-equiv="Content-Type" content="text/html; charset=windows-1252" />
<link rel="stylesheet" type="text/css" href="style.css" />
<!--[if IE 6]>
<link rel="stylesheet" type="text/css" href="iecss.css" />
<![endif]-->
<script type="text/javascript" src="js/boxOver.js"></script>
</head>
<body>
<div id="main_container">
  <div id="header">
    <div class="top_right">
      <div class="big_banner"> <a href="#"></a> </div>
    </div>
    <div id="logo"> <a href="index.html"><img src="images/logo.png" alt="" border="0" /></a> </div>
  </div>
  <div id="main_content">
    <div id="menu_tab">
      <ul class="menu">
        <li><a href="index.html" class="nav">Home</a></li>
        <li class="divider"></li>
        <li><a href="whatsnew.php" class="nav">What’s New?</a></li>
        <li class="divider"></li>
        <li><a href="add_item.php" class="nav">Post free ads</a></li>
        <li class="divider"></li>
        <li><a href="contact.html" class="nav">Contact Us</a></li>
        <li class="divider"></li>
        <li><a href="about.html" class="nav">About Botomul</a></li>
		<li class="divider"></li>
        <li><a href="legal.html" class="nav">Legal Obligations </a></li>
      </ul>
    </div>
    <!-- end of menu tab --><div class="crumb_navigation"> Navigation: <span class="current"><a href="whats.php">What’s New?</a></span><script type="text/javascript"><!--
google_ad_client = "pub-8864553545203442";
/* 468x15, created 2/9/11 */
google_ad_slot = "7003637958";
google_ad_width = 468;
google_ad_height = 15;
//-->
</script>
<script type="text/javascript"
src="http://pagead2.googlesyndication.com/pagead/show_ads.js">
</script></div>
     <div class="left_content">
      <div class="title_box">Jobs</div>
      <ul class="left_menu">
       <li class="odd"><a href="jobs_item.php?id=Accounting/Finance">Accounting/Finance</a></li>
        <li class="even"><a href="jobs_item.php?id=Bank/Insurance/Leasing">Bank/Insurance/Leasing</a></li>
        <li class="odd"><a href="jobs_item.php?id=Commercial/Supply Chain">Commercial/Supply Chain</a></li>
        <li class="even"><a href="jobs_item.php?id=Education/Training">Education/Training</a></li>
        <li class="odd"><a href="jobs_item.php?id=Engineer/Architecture">Engineer/Architecture</a></li>
		<li class="even"><a href="jobs_item.php?id=Garments/Textile">Garments/Textile</a></li>  
		<li class="odd"><a href="jobs_item.php?id=HR/Org. Development">HR/Org. Development</a></li>
        <li class="even"><a href="jobs_item.php?id=Admin">Admin</a></li>
        <li class="odd"><a href="jobs_item.php?id=Design/Creative">Design/Creative</a></li>
        <li class="even"><a href="jobs_item.php?id=IT/Telecommunication">IT/Telecommunication</a></li>
        <li class="odd"><a href="jobs_item.php?id=Call Center">Call Center</a></li>
		<li class="even"><a href="jobs_item.php?id=Advertisement/Event Mgt.">Advertisement/Event Mgt.</a></li>
		<li class="odd"><a href="jobs_item.php?id=Medical/Pharmaceutical">Medical/Pharmaceutical</a></li>
        <li class="even"><a href="jobs_item.php?id=NGO/Development">NGO/Development</a></li>
        <li class="odd"><a href="jobs_item.php?id=Research/Consultancy">Research/Consultancy</a></li>
        <li class="even"><a href="jobs_item.php?id=Secretary/Receptionist">Secretary/Receptionist</a></li>
        <li class="odd"><a href="jobs_item.php?id=Data Entry/Operator/BPO">Data Entry/Operator/BPO</a></li>
		<li class="even"><a href="jobs_item.php?id=Others">Others</a></li>          
      </ul>
      <div class="title_box">Botomul Village</div>
       <ul class="left_menu">
        <li class="odd"><a href="bo_item.php?id=Events">Events</a></li>
        <li class="even"><a href="bo_item.php?id=Art">Art</a></li>
        <li class="odd"><a href="bo_item.php?id=Creative Writing">Creative Writing</a></li>
        <li class="even"><a href="bo_item.php?id=Theater">Theater</a></li>
        <li class="odd"><a href="bo_item.php?id=Music">Music</a></li>
		<li class="even"><a href="bo_item.php?id=Media">Media</a></li>       
		<li class="odd"><a href="bo_item.php?id=Fashion">Fashion</a></li>
		<li class="even"><a href="bo_item.php?id=Food">Food</a></li>       
		<li class="odd"><a href="bo_item.php?id=Health/Fitness">Health/Fitness</a></li>
		<li class="even"><a href="bo_item.php?id=Groups and Association">Groups and Associations</a></li>       
		<li class="odd"><a href="bo_item.php?id=Matchmaking">Matchmaking</a></li>
		<li class="even"><a href="bo_item.php?id=Friendship">Friendship</a></li>       
		<li class="odd"><a href="bo_item.php?id=Humanitarian Appeal">Humanitarian Appeal</a></li>
		<li class="even"><a href="bo_item.php?id=Botomul Mag">Botomul Mag </a></li>
		<li class="odd"><a href="bo_item.php?id=Miscellaneous">Miscellaneous</a></li>   
		<li class="odd"><script type="text/javascript"><!--
google_ad_client = "pub-8864553545203442";
/* 200x200, created 2/9/11 */
google_ad_slot = "3037108602";
google_ad_width = 200;
google_ad_height = 200;
//-->
</script>
<script type="text/javascript"
src="http://pagead2.googlesyndication.com/pagead/show_ads.js">
</script></li>     
       </ul>              
    </div>
		
	
    <!-- end of left content -->
    <div class="center_content22">
	   <table style="font-size:14px" align="center" width="100%" bgcolor="#FFFFFF" >

					<tr>				
					
							<th width="18%" height="39" style="background-color:#E1E0E0">Image</th>
	
							<th width="19%" height="39" style="background-color:#E1E0E0">Title</th>
							
							<th width="63%" height="39" style="background-color:#E1E0E0">Description</th>
														

					</tr>



<?php



while($data = mysql_fetch_array($mark)) {
		if($counter>=20)
			break;
 ?>
<?php if($counter%2==0) {
	   				$counter++;						
	   				?> 
						<tr bgcolor="#E9E9E9">
					<?php }
						else {
							$counter++;
							
					?>
					<tr bgcolor="#F0F4F5">
					<?php
						}
						?>
					
						<td align="center">
							<a href="se_details.php?product_id=<?php echo $data['product_id']; ?>">
							<?php
								if($data['picture1'] != '') {
								?>
								<img src="ad_file/<?php echo $data['picture1']; ?>" width="55px" height="50px" />
								<?php 
									}
									else {
								?>
									<img src="images/de.gif" width="55px" height="50px" />
								<?php 
								}
								?>
							</a>
						</td>
						
						<td align="center">
							<div class="product_title">
								<div align="left"><a href="se_details.php?product_id=<?php echo $data['product_id']; ?>">
							    &nbsp;<?php echo $data['title'] ?>								</a> </div>
							</div>
					  </td>

						<td align="left">
							<div class="product_title">
								&nbsp;
								<?php if($data['details'] == '')
														echo "NA";
												  else {
												     
													 	$temp = $data['details'];
														$a = strlen($temp);
														echo $temp1 = substr($temp, 0, 80);  // abcd
													?>
														<a href="o_details.php?product_id=<?php echo $data['product_id']; ?>">
														<?php /*?><span class="more" style="color:#FF8040">
														<?php
															echo " more...";
														?></span><?php */?>
														</a>
													<?php	
														
													} ?>
						</div>
						</td>
						

<?php } ?>
	  </table>
	</div>
      
		 
	<div class="footer">
    
   <div class="right_footer"><a href="about.html">About Botomul</a>&nbsp;&nbsp;&nbsp; | &nbsp;&nbsp;&nbsp;<a href="legal.html">Legal Obligations</a>&nbsp;&nbsp;&nbsp; | &nbsp;&nbsp;&nbsp;<a href="contact.html">Contact Us</a></div>
  </div>
 
	 
     
</div>
<!-- end of main_container -->
</body>
</html>

check that the spelling in your query is right for rows, columns and tables.

eg. is yout table called product or products?

also try

mysql_fetch_assoc

instead of

mysql_fetch_array

change: $mark = mysql_query("select * from product order by product_id DESC"); to: $mark = mysql_query("select * from product order by product_id DESC") or die( mysql_error() ); It should tell you WHY the query is failing.

$mark = mysql_query("select * from product order by product_id DESC");

Make ensure that the field names are correct (`product`, `product_id`). Recommend to do as hielo's way.

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