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;" uuid="2AB70D16-1842-11EA-9A1E-768A47F95FFE" method="post" key="login" uri="">
    <field key="username" name="username" display="Username" id="uuid-2AB74CC2-1842-11EA-9A1E-768A47F95FFE" value="" widget="text" attrs=""/>
    <field widget="password" attrs="" id="uuid-2AB788D6-1842-11EA-9A1E-768A47F95FFE" display="Password" key="password" name="password"/>
    <field id="uuid-2AB7BBB2-1842-11EA-9A1E-768A47F95FFE" value="" key="submit" name="submit" display="Login" attrs="" widget="submit"/>
  </form>
</response>