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" method="post" uuid="30AC6F50-1990-11EA-9D3B-35182D83AE63" encoding="&#x2713;" uri="">
    <field value="" name="username" attrs="" key="username" widget="text" id="uuid-30AC9B2E-1990-11EA-9D3B-35182D83AE63" display="Username"/>
    <field id="uuid-30ACC7F2-1990-11EA-9D3B-35182D83AE63" display="Password" widget="password" name="password" attrs="" key="password"/>
    <field id="uuid-30AD0604-1990-11EA-9D3B-35182D83AE63" display="Login" widget="submit" attrs="" key="submit" name="submit" value=""/>
  </form>
</response>