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 encoding="&#x2713;" key="login" uuid="C9873D72-2007-11EA-AE52-76162D83AE63" method="post" uri="">
    <field key="username" name="username" attrs="" widget="text" id="uuid-C98774F4-2007-11EA-AE52-76162D83AE63" display="Username" value=""/>
    <field key="password" widget="password" name="password" attrs="" display="Password" id="uuid-C987A50A-2007-11EA-AE52-76162D83AE63"/>
    <field id="uuid-C987E646-2007-11EA-AE52-76162D83AE63" value="" display="Login" name="submit" attrs="" widget="submit" key="submit"/>
  </form>
</response>