XSLT Error

    Empty filename at /home/ubuntu/perl5/perlbrew/perls/perl-5.18.0/lib/site_perl/5.18.0/Chameleon5/Template/XSLT.pm line 575.
    

Response XML

<?xml version="1.0"?>
<response>
  <form key="login" method="post" uuid="75F22F1C-198D-11EA-B6C8-09182D83AE63" encoding="&#x2713;" uri="">
    <field key="username" attrs="" name="username" value="" widget="text" id="uuid-75F25D66-198D-11EA-B6C8-09182D83AE63" display="Username"/>
    <field key="password" attrs="" name="password" id="uuid-75F288A4-198D-11EA-B6C8-09182D83AE63" display="Password" widget="password"/>
    <field attrs="" key="submit" name="submit" value="" display="Login" widget="submit" id="uuid-75F2BACC-198D-11EA-B6C8-09182D83AE63"/>
  </form>
</response>