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="9A921396-198D-11EA-8843-A6BB47F95FFE" method="post" key="login" uri="">
    <field value="" id="uuid-9A92403C-198D-11EA-8843-A6BB47F95FFE" key="username" name="username" display="Username" attrs="" widget="text"/>
    <field attrs="" widget="password" id="uuid-9A926C38-198D-11EA-8843-A6BB47F95FFE" display="Password" key="password" name="password"/>
    <field widget="submit" attrs="" id="uuid-9A929B22-198D-11EA-8843-A6BB47F95FFE" value="" name="submit" display="Login" key="submit"/>
  </form>
</response>