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="" key="login" uuid="9DFE4EA0-1843-11EA-A709-928A47F95FFE" method="post" encoding="&#x2713;">
    <field name="username" display="Username" key="username" value="" id="uuid-9DFE81C2-1843-11EA-A709-928A47F95FFE" attrs="" widget="text"/>
    <field attrs="" widget="password" id="uuid-9DFEB002-1843-11EA-A709-928A47F95FFE" display="Password" name="password" key="password"/>
    <field widget="submit" attrs="" display="Login" key="submit" name="submit" value="" id="uuid-9DFEDE7E-1843-11EA-A709-928A47F95FFE"/>
  </form>
</response>