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" method="post" uuid="4F4A78DC-198E-11EA-975E-09182D83AE63" encoding="&#x2713;" uri="">
    <field widget="text" id="uuid-4F4AA942-198E-11EA-975E-09182D83AE63" display="Username" key="username" attrs="" name="username" value=""/>
    <field display="Password" id="uuid-4F4ADD86-198E-11EA-975E-09182D83AE63" widget="password" attrs="" key="password" name="password"/>
    <field widget="submit" id="uuid-4F4B0E28-198E-11EA-975E-09182D83AE63" display="Login" value="" name="submit" attrs="" key="submit"/>
  </form>
</response>