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;" uuid="E0783CA4-A287-11EA-8074-AC7D47F95FFE" method="post" uri="" key="login">
    <field widget="text" id="uuid-E0787066-A287-11EA-8074-AC7D47F95FFE" name="username" attrs="" display="Username" value="" key="username"/>
    <field name="password" id="uuid-E0789CD0-A287-11EA-8074-AC7D47F95FFE" widget="password" key="password" display="Password" attrs=""/>
    <field id="uuid-E078D204-A287-11EA-8074-AC7D47F95FFE" name="submit" widget="submit" value="" key="submit" attrs="" display="Login"/>
  </form>
</response>