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" method="post" uuid="C11C3E38-1FFF-11EA-8434-740E4A0E2E26" uri="" encoding="&#x2713;">
    <field attrs="" value="" display="Username" key="username" widget="text" id="uuid-C11C6F34-1FFF-11EA-8434-740E4A0E2E26" name="username"/>
    <field widget="password" key="password" attrs="" display="Password" id="uuid-C11C9DF6-1FFF-11EA-8434-740E4A0E2E26" name="password"/>
    <field widget="submit" key="submit" attrs="" value="" display="Login" id="uuid-C11CCF92-1FFF-11EA-8434-740E4A0E2E26" name="submit"/>
  </form>
</response>