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="23C8E92E-1843-11EA-BBEC-928A47F95FFE" method="post" encoding="&#x2713;" uri="" key="login">
    <field value="" id="uuid-23C919A8-1843-11EA-BBEC-928A47F95FFE" key="username" display="Username" name="username" widget="text" attrs=""/>
    <field widget="password" attrs="" display="Password" key="password" name="password" id="uuid-23C98B18-1843-11EA-BBEC-928A47F95FFE"/>
    <field widget="submit" attrs="" id="uuid-23C9C09C-1843-11EA-BBEC-928A47F95FFE" value="" display="Login" name="submit" key="submit"/>
  </form>
</response>