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;" key="login" uri="" uuid="9C9DA088-1FFF-11EA-B3A4-90BD47F95FFE" method="post">
    <field value="" widget="text" attrs="" display="Username" key="username" id="uuid-9C9DC928-1FFF-11EA-B3A4-90BD47F95FFE" name="username"/>
    <field attrs="" widget="password" key="password" name="password" id="uuid-9C9DF3E4-1FFF-11EA-B3A4-90BD47F95FFE" display="Password"/>
    <field display="Login" key="submit" id="uuid-9C9E2A58-1FFF-11EA-B3A4-90BD47F95FFE" name="submit" value="" widget="submit" attrs=""/>
  </form>
</response>