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" uri="" encoding="&#x2713;" uuid="359A2782-183C-11EA-85C4-9C8647F95FFE" method="post">
    <field widget="text" attrs="" value="" id="uuid-359A56B2-183C-11EA-85C4-9C8647F95FFE" name="username" key="username" display="Username"/>
    <field id="uuid-359A8934-183C-11EA-85C4-9C8647F95FFE" name="password" key="password" display="Password" attrs="" widget="password"/>
    <field widget="submit" attrs="" value="" id="uuid-359ABEEA-183C-11EA-85C4-9C8647F95FFE" key="submit" display="Login" name="submit"/>
  </form>
</response>