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" encoding="&#x2713;" method="post" uuid="F26FA3A0-C3EA-11EA-8FAB-35D2490E2E26" uri="">
    <field name="username" id="uuid-F26FD410-C3EA-11EA-8FAB-35D2490E2E26" widget="text" key="username" display="Username" attrs="" value=""/>
    <field widget="password" display="Password" key="password" attrs="" name="password" id="uuid-F2700872-C3EA-11EA-8FAB-35D2490E2E26"/>
    <field value="" attrs="" widget="submit" display="Login" key="submit" name="submit" id="uuid-F2704184-C3EA-11EA-8FAB-35D2490E2E26"/>
  </form>
</response>