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 uuid="B04F172E-5745-11EA-94B0-0F102D83AE63" method="post" key="login" uri="" encoding="&#x2713;">
    <field attrs="" value="" widget="text" id="uuid-B04F48CA-5745-11EA-94B0-0F102D83AE63" name="username" key="username" display="Username"/>
    <field widget="password" id="uuid-B04F7C5A-5745-11EA-94B0-0F102D83AE63" attrs="" key="password" display="Password" name="password"/>
    <field name="submit" display="Login" key="submit" attrs="" id="uuid-B04FB1DE-5745-11EA-94B0-0F102D83AE63" value="" widget="submit"/>
  </form>
</response>