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" encoding="&#x2713;" method="post" uuid="87640632-C3B8-11EA-A74C-14CA490E2E26" uri="">
    <field value="" name="username" id="uuid-87643788-C3B8-11EA-A74C-14CA490E2E26" key="username" display="Username" widget="text" attrs=""/>
    <field widget="password" display="Password" key="password" attrs="" id="uuid-876468B6-C3B8-11EA-A74C-14CA490E2E26" name="password"/>
    <field value="" display="Login" key="submit" widget="submit" attrs="" name="submit" id="uuid-87649FAC-C3B8-11EA-A74C-14CA490E2E26"/>
  </form>
</response>