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 key="login" method="post" encoding="&#x2713;" uuid="34D5098A-C655-11EA-821C-0CD2490E2E26" uri="">
    <field widget="text" value="" key="username" display="Username" id="uuid-34D539B4-C655-11EA-821C-0CD2490E2E26" name="username" attrs=""/>
    <field widget="password" display="Password" id="uuid-34D56E66-C655-11EA-821C-0CD2490E2E26" key="password" name="password" attrs=""/>
    <field attrs="" name="submit" key="submit" id="uuid-34D5A5B6-C655-11EA-821C-0CD2490E2E26" display="Login" widget="submit" value=""/>
  </form>
</response>