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" encoding="&#x2713;" method="post" uuid="D3C288EE-183E-11EA-89BB-8124C3841434" uri="">
    <field widget="text" attrs="" id="uuid-D3C2C9EE-183E-11EA-89BB-8124C3841434" value="" display="Username" name="username" key="username"/>
    <field widget="password" attrs="" id="uuid-D3C2F842-183E-11EA-89BB-8124C3841434" display="Password" name="password" key="password"/>
    <field widget="submit" id="uuid-D3C330AA-183E-11EA-89BB-8124C3841434" attrs="" value="" display="Login" key="submit" name="submit"/>
  </form>
</response>