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 uuid="3BB78284-198D-11EA-B6C8-09182D83AE63" method="post" uri="" encoding="&#x2713;" key="login">
    <field attrs="" key="username" name="username" value="" widget="text" id="uuid-3BB7AE76-198D-11EA-B6C8-09182D83AE63" display="Username"/>
    <field name="password" key="password" attrs="" display="Password" widget="password" id="uuid-3BB7DE82-198D-11EA-B6C8-09182D83AE63"/>
    <field id="uuid-3BB81212-198D-11EA-B6C8-09182D83AE63" widget="submit" display="Login" key="submit" attrs="" value="" name="submit"/>
  </form>
</response>