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="2F40367A-C3E9-11EA-BEAE-97E047F95FFE" uri="" key="login" method="post" encoding="&#x2713;">
    <field name="username" widget="text" key="username" attrs="" value="" id="uuid-2F4061EA-C3E9-11EA-BEAE-97E047F95FFE" display="Username"/>
    <field widget="password" name="password" id="uuid-2F408D5A-C3E9-11EA-BEAE-97E047F95FFE" attrs="" key="password" display="Password"/>
    <field name="submit" widget="submit" id="uuid-2F40BDCA-C3E9-11EA-BEAE-97E047F95FFE" value="" attrs="" key="submit" display="Login"/>
  </form>
</response>