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="1C5B35E4-9FE2-11EA-B478-B875BCE3914D" key="login" uri="" encoding="&#x2713;" method="post">
    <field value="" id="uuid-1C5B69EC-9FE2-11EA-B478-B875BCE3914D" attrs="" widget="text" display="Username" key="username" name="username"/>
    <field widget="password" id="uuid-1C5B9336-9FE2-11EA-B478-B875BCE3914D" attrs="" key="password" name="password" display="Password"/>
    <field widget="submit" attrs="" id="uuid-1C5BC946-9FE2-11EA-B478-B875BCE3914D" value="" display="Login" key="submit" name="submit"/>
  </form>
</response>