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 method="post" uuid="3ACCADB0-A01D-11EA-A1B3-25231D44A1C8" uri="" encoding="&#x2713;" key="login">
    <field name="username" attrs="" display="Username" key="username" value="" id="uuid-3ACCE2EE-A01D-11EA-A1B3-25231D44A1C8" widget="text"/>
    <field attrs="" name="password" display="Password" key="password" id="uuid-3ACD1C50-A01D-11EA-A1B3-25231D44A1C8" widget="password"/>
    <field name="submit" attrs="" display="Login" key="submit" id="uuid-3ACD5968-A01D-11EA-A1B3-25231D44A1C8" value="" widget="submit"/>
  </form>
</response>