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;" uri="" method="post" uuid="D9CA3ED2-C65B-11EA-B304-613BB7D749F2" key="login">
    <field widget="text" attrs="" display="Username" name="username" id="uuid-D9CA68E4-C65B-11EA-B304-613BB7D749F2" key="username" value=""/>
    <field id="uuid-D9CA931E-C65B-11EA-B304-613BB7D749F2" key="password" widget="password" display="Password" name="password" attrs=""/>
    <field value="" key="submit" id="uuid-D9CAC2B2-C65B-11EA-B304-613BB7D749F2" display="Login" name="submit" attrs="" widget="submit"/>
  </form>
</response>