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="F11040D2-1841-11EA-B851-2EDF490E2E26" uri="" encoding="&#x2713;" key="login" method="post">
    <field widget="text" name="username" display="Username" id="uuid-F11074BC-1841-11EA-B851-2EDF490E2E26" key="username" value="" attrs=""/>
    <field name="password" widget="password" attrs="" key="password" id="uuid-F110B3FA-1841-11EA-B851-2EDF490E2E26" display="Password"/>
    <field name="submit" widget="submit" attrs="" display="Login" key="submit" id="uuid-F1110382-1841-11EA-B851-2EDF490E2E26" value=""/>
  </form>
</response>