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 method="post" encoding="&#x2713;" key="login" uri="" uuid="25302C06-DB74-11EA-950C-7899BCE3914D">
    <field key="username" value="" name="username" attrs="" widget="text" id="uuid-253066BC-DB74-11EA-950C-7899BCE3914D" display="Username"/>
    <field key="password" name="password" widget="password" attrs="" display="Password" id="uuid-25309600-DB74-11EA-950C-7899BCE3914D"/>
    <field widget="submit" attrs="" display="Login" id="uuid-2530CC88-DB74-11EA-950C-7899BCE3914D" value="" key="submit" name="submit"/>
  </form>
</response>