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 encoding="&#x2713;" method="post" uri="" key="login" uuid="AFD7B354-1998-11EA-B955-D0080BBD1946">
    <field value="" name="username" key="username" attrs="" display="Username" id="uuid-AFD7F224-1998-11EA-B955-D0080BBD1946" widget="text"/>
    <field widget="password" display="Password" id="uuid-AFD8189E-1998-11EA-B955-D0080BBD1946" attrs="" key="password" name="password"/>
    <field display="Login" id="uuid-AFD85A98-1998-11EA-B955-D0080BBD1946" attrs="" widget="submit" key="submit" name="submit" value=""/>
  </form>
</response>