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" uri="" encoding="&#x2713;" uuid="E45F77E2-183A-11EA-BB8C-76CC0ABD1946" key="login">
    <field key="username" widget="text" display="Username" attrs="" id="uuid-E45FA6EA-183A-11EA-BB8C-76CC0ABD1946" value="" name="username"/>
    <field key="password" attrs="" display="Password" id="uuid-E45FD750-183A-11EA-BB8C-76CC0ABD1946" widget="password" name="password"/>
    <field key="submit" widget="submit" id="uuid-E460095A-183A-11EA-BB8C-76CC0ABD1946" attrs="" display="Login" value="" name="submit"/>
  </form>
</response>