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" uuid="7B99AB00-C3EE-11EA-BF86-353AB7D749F2" encoding="&#x2713;" uri="" method="post">
    <field key="username" value="" attrs="" name="username" widget="text" display="Username" id="uuid-7B99E37C-C3EE-11EA-BF86-353AB7D749F2"/>
    <field widget="password" display="Password" attrs="" name="password" key="password" id="uuid-7B9A184C-C3EE-11EA-BF86-353AB7D749F2"/>
    <field id="uuid-7B9A44FC-C3EE-11EA-BF86-353AB7D749F2" key="submit" value="" display="Login" widget="submit" name="submit" attrs=""/>
  </form>
</response>