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 method="post" uuid="ECA780BA-A01C-11EA-8C87-1F8CBCE3914D" key="login" uri="" encoding="&#x2713;">
    <field name="username" key="username" display="Username" value="" id="uuid-ECA7B1FC-A01C-11EA-8C87-1F8CBCE3914D" widget="text" attrs=""/>
    <field key="password" name="password" display="Password" widget="password" attrs="" id="uuid-ECA7E49C-A01C-11EA-8C87-1F8CBCE3914D"/>
    <field key="submit" name="submit" display="Login" value="" id="uuid-ECA817BE-A01C-11EA-8C87-1F8CBCE3914D" widget="submit" attrs=""/>
  </form>
</response>