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" uri="" encoding="&#x2713;" method="post" uuid="7F66EF98-2003-11EA-8020-93020BBD1946">
    <field name="username" attrs="" display="Username" widget="text" value="" key="username" id="uuid-7F671E50-2003-11EA-8020-93020BBD1946"/>
    <field key="password" id="uuid-7F6750D2-2003-11EA-8020-93020BBD1946" widget="password" name="password" attrs="" display="Password"/>
    <field id="uuid-7F678408-2003-11EA-8020-93020BBD1946" value="" key="submit" widget="submit" display="Login" attrs="" name="submit"/>
  </form>
</response>