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="55415E24-2003-11EA-8605-B2BD47F95FFE" uri="" method="post" key="login" encoding="&#x2713;">
    <field attrs="" value="" widget="text" key="username" id="uuid-55418B88-2003-11EA-8605-B2BD47F95FFE" name="username" display="Username"/>
    <field id="uuid-5541B0F4-2003-11EA-8605-B2BD47F95FFE" name="password" key="password" display="Password" attrs="" widget="password"/>
    <field key="submit" id="uuid-5541E240-2003-11EA-8605-B2BD47F95FFE" name="submit" display="Login" attrs="" value="" widget="submit"/>
  </form>
</response>