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;" uuid="C109E24C-198D-11EA-97E6-A6BB47F95FFE" method="post">
    <field widget="text" attrs="" display="Username" key="username" name="username" value="" id="uuid-C10A0CCC-198D-11EA-97E6-A6BB47F95FFE"/>
    <field display="Password" name="password" key="password" id="uuid-C10A37E2-198D-11EA-97E6-A6BB47F95FFE" attrs="" widget="password"/>
    <field attrs="" widget="submit" name="submit" key="submit" display="Login" value="" id="uuid-C10A67B2-198D-11EA-97E6-A6BB47F95FFE"/>
  </form>
</response>