Denerwuje mnie to ciagle,

Warning: Cannot modify header information - headers already sent by (output started at

nie mam pojecia dlaczego dostaje znowu ten blad...
Napisalem na szybko takie cos:

[PHP] pobierz, plaintext 
<?php
$errorSendAnswer = array();
if($_SESSION['loggedin']){
    if(isset($_GET['id'])&& !empty($_GET['id'])){
        $selectTicket = $db->query("SELECT * FROM tickets WHERE id='".data_filter($_GET['id'])."'");
        if($selectTicket->num_rows == 1){
            $getTopic = $selectTicket->fetch_object();
            if($getTopic->user_id == $_SESSION['user_id']  || $getTopic->to_group == $_SESSION['user_permissions'] || $_SESSION['user_permissions'] == 1) {
                $getCreator = $db->query("SELECT * FROM users WHERE id='" . $getTopic->user_id . "'")->fetch_object();
                ?>
                <div class="panel panel-info" style="margin-top:10px">
                    <div class="panel-heading"><strong>Nazwa Zgłoszenia: </strong><?php echo $getTopic->title ?> <strong
                            style="float: right">Napisano:<?php echo $getTopic->date_written ?></strong></div>
                    <div class="panel-body">
                        <div style="float: left; width: 30%;">
                            <strong>Login:</strong><?php echo $getCreator->username ?><br>
                            <strong>Imię:</strong><?php echo $getCreator->real_name ?><br>
                            <strong>W arenie od:</strong><br><?php echo $getCreator->since ?>
                        </div>
                        <div style="float: left; width: 70%; text-align: left">
        <?php echo $getTopic->description ?>
                        </div>
                    </div>
                    <hr>
<?php
                    $answe = $db->query("SELECT * FROM tickets_answers WHERE ticket_id='" . $_GET['id'] . "' ORDER BY id ASC");
                    while ($getAnswers = $answe->fetch_object()) {
                        $selectUser = $db->query("SELECT * FROM users WHERE id='" . $getAnswers->user_id . "'")->fetch_object();
?>
                        <div class="panel-body">
                            <div style="float: left; width: 30%;">
                                <strong>Login:</strong><?php echo $selectUser->username ?><br>
                                <strong>Imię:</strong><?php echo $selectUser->real_name ?><br>
<?php
                                if ($selectUser->permissions != 0) {
                                    $selectRang = $db->query("SELECT * FROM permissions WHERE id='" . $selectUser->permissions . "'")->fetch_object();
                                    echo '<img src="' . $selectRang->avatar . '" alt=""/>';
                                }
?>
                            </div>
                            <div style="float: left; width: 70%; text-align: left">
                                <?php echo $getAnswers->answer ?>
                            </div>
                        </div>
 
<?php }
 
?>
                </div>
 
<?php
                $topicCheckAble = $db->query("SELECT * FROM tickets WHERE id='" . data_filter($_GET['id']) . "'")->fetch_object();
                if ($topicCheckAble->opened == 1) {
 
                    if (isset($_POST['answer'])) {
                        if (strlen($_POST['writeAnswer']) < 5) {
                            $errorSendTicket[] = "Pole odpowiedzi jest za krotkie";
                        } elseif (strlen($_POST['writeAnswer']) > 500) {
                            $errorSendTicket[] = "Pole odpowiedzi jest za dlugie";
                        } else {
                            $text = removeBadHtmlTag($_POST['writeAnswer']);
                            $db->query("INSERT INTO tickets_answers (ticket_id,user_id,answer) VALUES ('". data_filter($_GET['id']) ."','".$_SESSION['user_id']."','".data_filter($text)."')");
                            redirectTo("readTicket&id='".$_GET['id']."'");
                        }
                    }
?>
                    <form method="post">
                        <textarea class="ckeditor" id="editor1" name="writeAnswer" cols="100" rows="10"></textarea>
                        <button type="submit" class="btn btn-default" name="answer">Odpowiedz</button>
                    </form>
                    <?php if (!empty($errorSendAnswer)) { ?>
                        <div class="alert alert-danger">
                            <strong>Bład!</strong><?php
 
        foreach ($errorSendAnswer as $singleError) {
            echo $singleError . '<br>';
        }
    echo '    </div>';
            }
                }
            }
        }else{
            $_SESSION['success'] = "To zgłoszenie nie istnieje";
        }
    }else{
        $_SESSION['success'] = "Błąd podczas otwierania zgłoszenia";
 
    }
}else{
}
[PHP] pobierz, plaintext 

Funkcja redirect :

[PHP] pobierz, plaintext 
function redirectTo($url){
    header("location: index.php?page='".$url."'");
 
}
[PHP] pobierz, plaintext 

Jak to zfixowac... bo kurde nigdy tego nie umie naprawic..

Prolem poruszany petryliard razy. Uzyj wyszukiwarki.