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 uri="" method="post" key="login" encoding="&#x2713;" uuid="911371C6-9F06-11EA-9C62-4B6FB7D749F2">
    <field widget="text" value="" display="Username" id="uuid-9113ABF0-9F06-11EA-9C62-4B6FB7D749F2" attrs="" key="username" name="username"/>
    <field name="password" key="password" attrs="" display="Password" id="uuid-9113D9AE-9F06-11EA-9C62-4B6FB7D749F2" widget="password"/>
    <field key="submit" name="submit" widget="submit" value="" id="uuid-91140FFA-9F06-11EA-9C62-4B6FB7D749F2" display="Login" attrs=""/>
  </form>
</response>