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 encoding="&#x2713;" method="post" uuid="4EA3CD76-1843-11EA-885E-197EFC0ABCF6" uri="" key="login">
    <field value="" display="Username" attrs="" name="username" widget="text" id="uuid-4EA4070A-1843-11EA-885E-197EFC0ABCF6" key="username"/>
    <field display="Password" key="password" widget="password" id="uuid-4EA436D0-1843-11EA-885E-197EFC0ABCF6" name="password" attrs=""/>
    <field id="uuid-4EA481B2-1843-11EA-885E-197EFC0ABCF6" key="submit" widget="submit" name="submit" attrs="" display="Login" value=""/>
  </form>
</response>