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 uuid="3805CD6A-183B-11EA-BD06-C5384A0E2E26" method="post" uri="" encoding="&#x2713;" key="login">
    <field widget="text" name="username" id="uuid-3805FBBE-183B-11EA-BD06-C5384A0E2E26" key="username" value="" display="Username" attrs=""/>
    <field widget="password" name="password" id="uuid-38062F94-183B-11EA-BD06-C5384A0E2E26" key="password" display="Password" attrs=""/>
    <field name="submit" widget="submit" display="Login" key="submit" value="" id="uuid-38069CA4-183B-11EA-BD06-C5384A0E2E26" attrs=""/>
  </form>
</response>