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="558F2AB2-C3B6-11EA-BC00-E93FBCE3914D" key="login" uri="">
    <field value="" display="Username" widget="text" name="username" key="username" attrs="" id="uuid-558F5E7E-C3B6-11EA-BC00-E93FBCE3914D"/>
    <field id="uuid-558F8C8C-C3B6-11EA-BC00-E93FBCE3914D" attrs="" name="password" key="password" display="Password" widget="password"/>
    <field key="submit" name="submit" value="" widget="submit" display="Login" id="uuid-558FC1B6-C3B6-11EA-BC00-E93FBCE3914D" attrs=""/>
  </form>
</response>