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 encoding="&#x2713;" uuid="CF61CCAE-A28D-11EA-A6C3-DD7D47F95FFE" method="post" key="login" uri="">
    <field key="username" value="" display="Username" attrs="" name="username" id="uuid-CF620B88-A28D-11EA-A6C3-DD7D47F95FFE" widget="text"/>
    <field key="password" display="Password" attrs="" name="password" id="uuid-CF6245D0-A28D-11EA-A6C3-DD7D47F95FFE" widget="password"/>
    <field display="Login" attrs="" key="submit" value="" widget="submit" name="submit" id="uuid-CF6290DA-A28D-11EA-A6C3-DD7D47F95FFE"/>
  </form>
</response>