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" uuid="10D60C30-1991-11EA-B69D-FB070BBD1946" encoding="&#x2713;" uri="" method="post">
    <field value="" name="username" key="username" id="uuid-10D64682-1991-11EA-B69D-FB070BBD1946" display="Username" attrs="" widget="text"/>
    <field name="password" attrs="" display="Password" id="uuid-10D6852A-1991-11EA-B69D-FB070BBD1946" widget="password" key="password"/>
    <field name="submit" value="" display="Login" id="uuid-10D6C2EC-1991-11EA-B69D-FB070BBD1946" attrs="" widget="submit" key="submit"/>
  </form>
</response>