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 uri="" uuid="0BD28A46-C65D-11EA-9BCA-09D3490E2E26" encoding="&#x2713;" key="login" method="post">
    <field widget="text" value="" name="username" attrs="" key="username" id="uuid-0BD2C25E-C65D-11EA-9BCA-09D3490E2E26" display="Username"/>
    <field key="password" id="uuid-0BD2F2F6-C65D-11EA-9BCA-09D3490E2E26" display="Password" name="password" attrs="" widget="password"/>
    <field widget="submit" value="" name="submit" attrs="" key="submit" id="uuid-0BD32B18-C65D-11EA-9BCA-09D3490E2E26" display="Login"/>
  </form>
</response>