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="F37E335E-1992-11EA-9ADE-1A3AFC0ABCF6" method="post" uri="" encoding="&#x2713;" key="login">
    <field value="" display="Username" attrs="" id="uuid-F37E6144-1992-11EA-9ADE-1A3AFC0ABCF6" widget="text" key="username" name="username"/>
    <field display="Password" attrs="" name="password" id="uuid-F37E8D04-1992-11EA-9ADE-1A3AFC0ABCF6" key="password" widget="password"/>
    <field name="submit" key="submit" id="uuid-F37EB9BE-1992-11EA-9ADE-1A3AFC0ABCF6" widget="submit" attrs="" display="Login" value=""/>
  </form>
</response>