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 uri="" key="login" uuid="27AD5A58-1991-11EA-B586-5CE1C2841434" method="post" encoding="&#x2713;">
    <field name="username" key="username" display="Username" value="" attrs="" id="uuid-27AD8EB0-1991-11EA-B586-5CE1C2841434" widget="text"/>
    <field widget="password" id="uuid-27ADBFFC-1991-11EA-B586-5CE1C2841434" attrs="" display="Password" key="password" name="password"/>
    <field id="uuid-27ADFA08-1991-11EA-B586-5CE1C2841434" attrs="" widget="submit" key="submit" name="submit" display="Login" value=""/>
  </form>
</response>