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 key="login" uuid="7FC6E1BC-A011-11EA-8104-517847F95FFE" uri="" encoding="&#x2713;" method="post">
    <field value="" display="Username" name="username" widget="text" attrs="" id="uuid-7FC70FDE-A011-11EA-8104-517847F95FFE" key="username"/>
    <field id="uuid-7FC73FA4-A011-11EA-8104-517847F95FFE" key="password" attrs="" widget="password" name="password" display="Password"/>
    <field widget="submit" attrs="" id="uuid-7FC7715E-A011-11EA-8104-517847F95FFE" key="submit" value="" display="Login" name="submit"/>
  </form>
</response>