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="2A4DA372-183C-11EA-9016-FCCC0ABD1946" key="login" method="post" uri="" encoding="&#x2713;">
    <field name="username" value="" attrs="" display="Username" id="uuid-2A4DD45A-183C-11EA-9016-FCCC0ABD1946" widget="text" key="username"/>
    <field name="password" widget="password" attrs="" id="uuid-2A4E02CC-183C-11EA-9016-FCCC0ABD1946" display="Password" key="password"/>
    <field name="submit" value="" widget="submit" display="Login" attrs="" id="uuid-2A4E36A2-183C-11EA-9016-FCCC0ABD1946" key="submit"/>
  </form>
</response>