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" key="login" uri="" uuid="F5649B94-9F08-11EA-ACB3-C19492B91BC6" encoding="&#x2713;">
    <field name="username" attrs="" widget="text" key="username" id="uuid-F564C722-9F08-11EA-ACB3-C19492B91BC6" display="Username" value=""/>
    <field display="Password" attrs="" name="password" key="password" widget="password" id="uuid-F564EE5A-9F08-11EA-ACB3-C19492B91BC6"/>
    <field widget="submit" id="uuid-F5651C90-9F08-11EA-ACB3-C19492B91BC6" key="submit" attrs="" name="submit" display="Login" value=""/>
  </form>
</response>