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" uuid="6F43BEFC-A00A-11EA-A45D-666B47F95FFE" key="login" uri="" encoding="&#x2713;">
    <field name="username" value="" display="Username" attrs="" key="username" id="uuid-6F43EFB2-A00A-11EA-A45D-666B47F95FFE" widget="text"/>
    <field key="password" id="uuid-6F442162-A00A-11EA-A45D-666B47F95FFE" attrs="" widget="password" name="password" display="Password"/>
    <field name="submit" display="Login" value="" id="uuid-6F4451A0-A00A-11EA-A45D-666B47F95FFE" key="submit" attrs="" widget="submit"/>
  </form>
</response>