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="F7276A90-1990-11EA-87A1-5CE1C2841434" encoding="&#x2713;" uri="">
    <field widget="text" attrs="" id="uuid-F7281BC0-1990-11EA-87A1-5CE1C2841434" display="Username" value="" name="username" key="username"/>
    <field key="password" name="password" display="Password" id="uuid-F7285C84-1990-11EA-87A1-5CE1C2841434" attrs="" widget="password"/>
    <field display="Login" value="" key="submit" name="submit" widget="submit" id="uuid-F7288B5A-1990-11EA-87A1-5CE1C2841434" attrs=""/>
  </form>
</response>