GO: //wp-content/plugins/bb-plugin/includes/admin-settings-license.php
change the form name only::
<div id=”fl-license-form” class=”fl-settings-form”>
<?php do_action( ‘fl_themes_license_form’ ); ?>
</div>
<div id=”fl-license-form” class=”fl-settings-form”>
<?php do_action( ‘fl_themes_license_form2’ ); ?>
</div>