Possible Duplicate:
Warning: mysql_fetch_array(): supplied argument is not a valid MySQL result
$query = "SELECT UniqueID FROM configuration";
$result = mysql_query($query)or die(mysql_error());;
while($row = mysql_fetch_assoc($result)) { }
throwing exception as
Warning:
mysql_fetch_assoc()
: supplied argument is not a valid MySQL result resource in C:\Program Files\Apache Group\Apache2\htdocs\ehp\hello.php on line 10