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="688E0064-A01D-11EA-86B9-A35792B91BC6" method="post" uri="" encoding="&#x2713;" key="login">
    <field name="username" value="" key="username" display="Username" id="uuid-688E2DA0-A01D-11EA-86B9-A35792B91BC6" attrs="" widget="text"/>
    <field attrs="" widget="password" id="uuid-688E54EC-A01D-11EA-86B9-A35792B91BC6" display="Password" key="password" name="password"/>
    <field widget="submit" attrs="" id="uuid-688E849E-A01D-11EA-86B9-A35792B91BC6" key="submit" display="Login" value="" name="submit"/>
  </form>
</response>