No data insertion. (URGENT HELP)

[eforbes]

I created the form from a database table and when i click submit, no record is showing in the table.

<?php
/*
UserSpice 4
An Open Source PHP User Management System
by the UserSpice Team at http://UserSpice.com
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/
?>
<?php require_once '../users/init.php'; ?>
<?php require_once $abs_us_root.$us_url_root.'users/includes/header.php'; ?>
<?php require_once $abs_us_root.$us_url_root.'users/includes/navigation.php'; ?>
<?php if (!securePage($_SERVER['PHP_SELF'])){die();} ?>
<?php
if(!empty($_POST)){
preProcessForm();
}


?>
 <div id="page-wrapper">
 <!-- Page Heading -->
           
          
              <!-- /.row -->


    <div class="container">
       
            <div class="row">
                  <div class="col-xs-12 col-md-10">
  <input type="hidden" name="csrf" value="<?=Token::generate()?>" />
                  <? displayForm('members'); ?>
               
            </div>
        </div>
    </div>
<?php processForm(['debug'=>1]); ?> 
</div> <!-- /container -->

</div> <!-- /#page-wrapper -->

</body>
</html>