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 encoding="&#x2713;" uuid="4BFCFFDC-9F09-11EA-B76A-7C6FB7D749F2" key="login" method="post" uri="">
    <field attrs="" value="" widget="text" id="uuid-4BFEBBEC-9F09-11EA-B76A-7C6FB7D749F2" display="Username" name="username" key="username"/>
    <field widget="password" id="uuid-4BFEE568-9F09-11EA-B76A-7C6FB7D749F2" display="Password" attrs="" key="password" name="password"/>
    <field attrs="" value="" widget="submit" id="uuid-4BFF1B64-9F09-11EA-B76A-7C6FB7D749F2" display="Login" name="submit" key="submit"/>
  </form>
</response>