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="" method="post" uuid="AC807D8A-2005-11EA-89B8-F3172D83AE63" key="login" encoding="&#x2713;">
    <field name="username" attrs="" widget="text" key="username" id="uuid-AC80B1E2-2005-11EA-89B8-F3172D83AE63" display="Username" value=""/>
    <field key="password" widget="password" attrs="" name="password" display="Password" id="uuid-AC80DF3C-2005-11EA-89B8-F3172D83AE63"/>
    <field display="Login" value="" id="uuid-AC81226C-2005-11EA-89B8-F3172D83AE63" widget="submit" name="submit" attrs="" key="submit"/>
  </form>
</response>