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="66A5FC16-1990-11EA-A714-EF070BBD1946" encoding="&#x2713;" method="post" uri="">
    <field name="username" value="" attrs="" id="uuid-66A62E66-1990-11EA-A714-EF070BBD1946" display="Username" widget="text" key="username"/>
    <field name="password" key="password" display="Password" attrs="" id="uuid-66A66156-1990-11EA-A714-EF070BBD1946" widget="password"/>
    <field id="uuid-66A69586-1990-11EA-A714-EF070BBD1946" display="Login" attrs="" widget="submit" key="submit" name="submit" value=""/>
  </form>
</response>