Need quick help with Warning: mysql_num_rows() error

[botlife]

$cnt1 = mysql_num_rows($rs1); is generating the error.

 

Warning: mysql_num_rows(): supplied argument is not a valid MySQL result resource in

 

 

<?

session_start();

 

 

$userid = $_SESSION['sess_id'];

$sql1 = "select t_username,t_password,id from twitter_user where userid='".$userid."'";

$rs1 = mysql_query($sql1);

$cnt1 = mysql_num_rows($rs1);

if($cnt1 > 0)

{

[sKunKbad]

You have a bad query. Try running it directly on MySQL or phpMyAdmin and see that it is bad.