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="46C4731A-C029-11EA-ACE6-ECF8490E2E26" uri="" encoding="&#x2713;" method="post" key="login">
    <field value="" attrs="" widget="text" name="username" key="username" id="uuid-46C4A254-C029-11EA-ACE6-ECF8490E2E26" display="Username"/>
    <field attrs="" widget="password" name="password" id="uuid-46C4D92C-C029-11EA-ACE6-ECF8490E2E26" key="password" display="Password"/>
    <field id="uuid-46C50C80-C029-11EA-ACE6-ECF8490E2E26" key="submit" display="Login" name="submit" value="" attrs="" widget="submit"/>
  </form>
</response>