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" uri="" uuid="F12D42C2-573E-11EA-9919-EAA147F95FFE" key="login" encoding="&#x2713;">
    <field attrs="" name="username" display="Username" value="" key="username" id="uuid-F12D79D6-573E-11EA-9919-EAA147F95FFE" widget="text"/>
    <field attrs="" name="password" display="Password" key="password" id="uuid-F12DA2F8-573E-11EA-9919-EAA147F95FFE" widget="password"/>
    <field widget="submit" id="uuid-F12DD16A-573E-11EA-9919-EAA147F95FFE" key="submit" value="" display="Login" name="submit" attrs=""/>
  </form>
</response>