mysqli_query(): Couldn't fetch mysqli

hmm.. ane bingung gan, code yang pertama bisa tapi yang kedua sama ketiga kok eror ya..

 <div class="feature-info">
          <div class="fea">
            <div class="col-md-4">
              <div class="heading pull-right">
                <h4>Sejarah</h4>
                <?php
                  $query = ("SELECT * FROM tbl_profil WHERE id_profil='1'"); //pertama
                  $hasil = mysqli_query($conn, $query);
                  while ($data  = mysqli_fetch_array($hasil)){

                  echo '
                  <span>'.$data['isi_profil'].'</span>
                  ';
                  }
                  mysqli_close($conn);
                ?>
              </div>
              <div class="fea-img pull-left">
                <i class="fa fa-eye"></i>
              </div>
            </div>
          </div>
        </div>
        <div class="feature-info">
          <div class="fea">
            <div class="col-md-4">
              <div class="heading pull-right">
                <h4>Visi dan Misi</h4>
                <?php
                  $query = ("SELECT * FROM tbl_profil WHERE id_profil='2'"); //kedua
                  $hasil = mysqli_query($conn, $query);
                  while ($data  = mysqli_fetch_array($hasil)){

                  echo '
                  <span>'.$data['isi_profil'].'</span>
                  ';
                  }
                  mysqli_close($conn);
                ?>
              </div>
              <div class="fea-img pull-left">
                <i class="fa fa-lightbulb-o"></i>
              </div>
            </div>
          </div>
        </div>
        <div class="feature-info">
          <div class="fea">
            <div class="col-md-4">
              <div class="heading pull-right">
                <h4>Sistem Pembelajaran</h4>
                <?php
                  $query = ("SELECT * FROM tbl_profil WHERE id_profil='3'");//ketiga
                  $hasil = mysqli_query($conn, $query);
                  while ($data  = mysqli_fetch_array($hasil)){

                  echo '
                  <span>'.$data['isi_profil'].'</span>
                  ';
                  }
                ?>