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="D645469A-C033-11EA-B61E-7A831D44A1C8" method="post" uri="" key="login" encoding="&#x2713;">
    <field name="username" key="username" value="" attrs="" widget="text" id="uuid-D64579EE-C033-11EA-B61E-7A831D44A1C8" display="Username"/>
    <field widget="password" attrs="" id="uuid-D645AB9E-C033-11EA-B61E-7A831D44A1C8" display="Password" key="password" name="password"/>
    <field value="" name="submit" key="submit" display="Login" id="uuid-D645EA3C-C033-11EA-B61E-7A831D44A1C8" attrs="" widget="submit"/>
  </form>
</response>