폼 입력 채택완료

폼 사용중인데

이게 뜨네요

메시지 안뜨게 할 수 없나요? 

<div class="row">
                <div class="col-lg-12">
                    <form name="sentMessage" id="contactForm" novalidate action="<?php echo G5_URL?>/mail/contact_me.php" method="post">
                        <div class="row">
                            <div class="col-md-6">
                                <div class="form-group">
                                    <input type="text" name="name" class="form-control" placeholder="이름" id="name">
                                   
                                </div>
                                <div class="form-group">
                                    <input type="email" name="email" class="form-control" placeholder="이메일" id="email">
                                   
                                </div>
                                <div class="form-group">
                                    <input type="tel" name="phone" class="form-control" placeholder="연락처 예)010-0000-0000" id="phone">
                                </div>
                            </div>
                            <div class="col-md-6">
                                <div class="form-group">
                                    <textarea name="message" class="form-control" placeholder="내용(자세한내용)" id="message" required data-validation-required-message="Please enter a message."></textarea>
                                </div>
                            </div>
                            <div class="clearfix"></div>
                            <div class="col-lg-12 text-center">
                                <div id="success"></div>
                                <button type="submit" class="btn btn-xl">Send Message</button>
                            </div>
                        </div>
                    </form>