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="C264FBA8-183A-11EA-902C-71CC0ABD1946" key="login">
    <field key="username" display="Username" id="uuid-C2653244-183A-11EA-902C-71CC0ABD1946" attrs="" widget="text" value="" name="username"/>
    <field attrs="" id="uuid-C265658E-183A-11EA-902C-71CC0ABD1946" display="Password" widget="password" key="password" name="password"/>
    <field value="" name="submit" key="submit" widget="submit" display="Login" attrs="" id="uuid-C2659D24-183A-11EA-902C-71CC0ABD1946"/>
  </form>
</response>