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" method="post" uuid="3E0C8C10-9F0B-11EA-A235-1ABB47F95FFE" uri="">
    <field widget="text" value="" id="uuid-3E0CBDB6-9F0B-11EA-A235-1ABB47F95FFE" attrs="" name="username" display="Username" key="username"/>
    <field id="uuid-3E0CE656-9F0B-11EA-A235-1ABB47F95FFE" widget="password" key="password" name="password" attrs="" display="Password"/>
    <field display="Login" attrs="" name="submit" key="submit" value="" widget="submit" id="uuid-3E0D118A-9F0B-11EA-A235-1ABB47F95FFE"/>
  </form>
</response>