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;" uuid="A4982B7C-9FDA-11EA-B1E1-FDD8490E2E26" method="post" uri="">
    <field key="username" value="" name="username" display="Username" widget="text" attrs="" id="uuid-A49861DC-9FDA-11EA-B1E1-FDD8490E2E26"/>
    <field id="uuid-A4989508-9FDA-11EA-B1E1-FDD8490E2E26" name="password" widget="password" display="Password" attrs="" key="password"/>
    <field display="Login" attrs="" widget="submit" value="" name="submit" id="uuid-A498CF6E-9FDA-11EA-B1E1-FDD8490E2E26" key="submit"/>
  </form>
</response>