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="BD7C2C0C-1992-11EA-8B21-59182D83AE63" encoding="&#x2713;" uri="" key="login">
    <field widget="text" display="Username" id="uuid-BD7C5D44-1992-11EA-8B21-59182D83AE63" value="" name="username" attrs="" key="username"/>
    <field attrs="" key="password" name="password" widget="password" id="uuid-BD7C88F0-1992-11EA-8B21-59182D83AE63" display="Password"/>
    <field id="uuid-BD7CBBD6-1992-11EA-8B21-59182D83AE63" widget="submit" display="Login" value="" name="submit" key="submit" attrs=""/>
  </form>
</response>