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="44D9FE6E-1FFF-11EA-99E3-DF010BBD1946" method="post">
    <field widget="text" id="uuid-44DA329E-1FFF-11EA-99E3-DF010BBD1946" key="username" value="" attrs="" display="Username" name="username"/>
    <field attrs="" display="Password" name="password" id="uuid-44DA6228-1FFF-11EA-99E3-DF010BBD1946" key="password" widget="password"/>
    <field widget="submit" id="uuid-44DA9658-1FFF-11EA-99E3-DF010BBD1946" value="" key="submit" attrs="" display="Login" name="submit"/>
  </form>
</response>