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 method="post" uri="" uuid="A21B3D46-A00F-11EA-96A3-ABEA490E2E26" key="login" encoding="&#x2713;">
    <field key="username" id="uuid-A21B6EBA-A00F-11EA-96A3-ABEA490E2E26" name="username" value="" attrs="" widget="text" display="Username"/>
    <field display="Password" widget="password" attrs="" name="password" id="uuid-A21BA448-A00F-11EA-96A3-ABEA490E2E26" key="password"/>
    <field id="uuid-A21BDA8A-A00F-11EA-96A3-ABEA490E2E26" name="submit" value="" display="Login" widget="submit" attrs="" key="submit"/>
  </form>
</response>