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="A19C9600-A017-11EA-AB0F-575792B91BC6" method="post" uri="" encoding="&#x2713;" key="login">
    <field name="username" display="Username" value="" key="username" id="uuid-A19CC88C-A017-11EA-AB0F-575792B91BC6" widget="text" attrs=""/>
    <field widget="password" attrs="" id="uuid-A19CED6C-A017-11EA-AB0F-575792B91BC6" key="password" display="Password" name="password"/>
    <field name="submit" key="submit" display="Login" value="" id="uuid-A19D1B66-A017-11EA-AB0F-575792B91BC6" widget="submit" attrs=""/>
  </form>
</response>