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" uuid="B5B460F8-1991-11EA-9D58-FB070BBD1946" encoding="&#x2713;" uri="" method="post">
    <field key="username" widget="text" display="Username" attrs="" id="uuid-B5B49406-1991-11EA-9D58-FB070BBD1946" value="" name="username"/>
    <field widget="password" id="uuid-B5B4C05C-1991-11EA-9D58-FB070BBD1946" attrs="" display="Password" key="password" name="password"/>
    <field value="" name="submit" key="submit" widget="submit" id="uuid-B5B4F400-1991-11EA-9D58-FB070BBD1946" display="Login" attrs=""/>
  </form>
</response>