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;" method="post" uri="" key="login" uuid="D73D6888-1841-11EA-AFCD-61CD0ABD1946">
    <field name="username" value="" display="Username" id="uuid-D73DA9BA-1841-11EA-AFCD-61CD0ABD1946" attrs="" widget="text" key="username"/>
    <field key="password" widget="password" attrs="" display="Password" id="uuid-D73DF668-1841-11EA-AFCD-61CD0ABD1946" name="password"/>
    <field name="submit" value="" widget="submit" id="uuid-D73E3542-1841-11EA-AFCD-61CD0ABD1946" display="Login" attrs="" key="submit"/>
  </form>
</response>