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 method="post" uuid="A9F5E4CE-183A-11EA-A15D-967CFC0ABCF6" uri="" encoding="&#x2713;" key="login">
    <field value="" display="Username" attrs="" name="username" id="uuid-A9F61336-183A-11EA-A15D-967CFC0ABCF6" key="username" widget="text"/>
    <field display="Password" id="uuid-A9F63BEA-183A-11EA-A15D-967CFC0ABCF6" key="password" widget="password" name="password" attrs=""/>
    <field attrs="" name="submit" widget="submit" id="uuid-A9F66B2E-183A-11EA-A15D-967CFC0ABCF6" key="submit" value="" display="Login"/>
  </form>
</response>