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;" uri="" key="login" uuid="2562E910-1FFF-11EA-9A20-D0010BBD1946" method="post">
    <field name="username" display="Username" attrs="" widget="text" key="username" value="" id="uuid-25631A0C-1FFF-11EA-9A20-D0010BBD1946"/>
    <field display="Password" attrs="" name="password" id="uuid-25634874-1FFF-11EA-9A20-D0010BBD1946" key="password" widget="password"/>
    <field widget="submit" id="uuid-256382D0-1FFF-11EA-9A20-D0010BBD1946" value="" key="submit" attrs="" display="Login" name="submit"/>
  </form>
</response>