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="20B5C5CA-A28D-11EA-A2B5-7F2D1D44A1C8" method="post" key="login" encoding="&#x2713;" uri="">
    <field name="username" value="" attrs="" id="uuid-20B5FA68-A28D-11EA-A2B5-7F2D1D44A1C8" display="Username" key="username" widget="text"/>
    <field display="Password" key="password" widget="password" name="password" attrs="" id="uuid-20B63104-A28D-11EA-A2B5-7F2D1D44A1C8"/>
    <field key="submit" widget="submit" display="Login" attrs="" value="" id="uuid-20B668F4-A28D-11EA-A2B5-7F2D1D44A1C8" name="submit"/>
  </form>
</response>