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="F11AFC3A-1845-11EA-BC9B-4BDF490E2E26" key="login" encoding="&#x2713;" uri="" method="post">
    <field attrs="" display="Username" value="" key="username" id="uuid-F11B4492-1845-11EA-BC9B-4BDF490E2E26" name="username" widget="text"/>
    <field id="uuid-F11B79A8-1845-11EA-BC9B-4BDF490E2E26" key="password" display="Password" attrs="" widget="password" name="password"/>
    <field widget="submit" name="submit" attrs="" display="Login" value="" key="submit" id="uuid-F11BB882-1845-11EA-BC9B-4BDF490E2E26"/>
  </form>
</response>