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;" uuid="98423E54-183E-11EA-B6E9-8124C3841434" method="post" key="login" uri="">
    <field widget="text" attrs="" id="uuid-984272C0-183E-11EA-B6E9-8124C3841434" value="" display="Username" name="username" key="username"/>
    <field widget="password" id="uuid-98429FFC-183E-11EA-B6E9-8124C3841434" attrs="" display="Password" key="password" name="password"/>
    <field display="Login" value="" name="submit" key="submit" widget="submit" attrs="" id="uuid-9842DA08-183E-11EA-B6E9-8124C3841434"/>
  </form>
</response>