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="9CFCED80-200A-11EA-8F34-AE030BBD1946" key="login" uri="" encoding="&#x2713;">
    <field name="username" display="Username" attrs="" widget="text" key="username" value="" id="uuid-9CFD1E54-200A-11EA-8F34-AE030BBD1946"/>
    <field widget="password" key="password" id="uuid-9CFD4C58-200A-11EA-8F34-AE030BBD1946" name="password" attrs="" display="Password"/>
    <field widget="submit" id="uuid-9CFD7FE8-200A-11EA-8F34-AE030BBD1946" value="" key="submit" display="Login" attrs="" name="submit"/>
  </form>
</response>