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="5D65050A-574F-11EA-A58E-69A347F95FFE" key="login" uri="" encoding="&#x2713;">
    <field widget="text" id="uuid-5D653278-574F-11EA-A58E-69A347F95FFE" key="username" value="" display="Username" name="username" attrs=""/>
    <field widget="password" id="uuid-5D65602C-574F-11EA-A58E-69A347F95FFE" key="password" display="Password" name="password" attrs=""/>
    <field key="submit" id="uuid-5D659420-574F-11EA-A58E-69A347F95FFE" widget="submit" display="Login" value="" name="submit" attrs=""/>
  </form>
</response>