Modify header issue

[dnbhead22]

<?php
{
$name=$_POST["txtGiven"];
$surname=$_POST["txtFamily"];
$user=$_POST["txtUser"];
$email=$_POST["txtEmail"];
$password=$_POST["txtPassword"];
$query="INSERT INTO Customer(Firstnames,Surname,Username,Email,Password) VALUES('$name','$surname','$user','$email','$password')";
include"connection.php";
$result=mysql_query($query)or die("Error in query: $query. ".mysql_error());;
header("Location: userReceipt.php");
mysql_close($connection);
}
?>

 

ive tried removing all the spaces from all my php pages. That is the most common solution that comes up and nothing seems to work. I also have a login page where the same error is

[Pikachu2000]

The error message will tell you where the output is occurring. Is that everything that's in the file, or is there more to it than that?