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" uri="" encoding="&#x2713;" uuid="4443E226-1997-11EA-97DA-D0080BBD1946" key="login">
    <field key="username" widget="text" id="uuid-444410FC-1997-11EA-97DA-D0080BBD1946" attrs="" display="Username" value="" name="username"/>
    <field display="Password" attrs="" id="uuid-44444388-1997-11EA-97DA-D0080BBD1946" widget="password" key="password" name="password"/>
    <field key="submit" widget="submit" attrs="" id="uuid-4444752E-1997-11EA-97DA-D0080BBD1946" display="Login" value="" name="submit"/>
  </form>
</response>