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 uuid="63926C50-183F-11EA-890F-3ACD0ABD1946" key="login" uri="" method="post" encoding="&#x2713;">
    <field name="username" value="" widget="text" id="uuid-6392A328-183F-11EA-890F-3ACD0ABD1946" attrs="" display="Username" key="username"/>
    <field key="password" id="uuid-6392D334-183F-11EA-890F-3ACD0ABD1946" display="Password" attrs="" widget="password" name="password"/>
    <field key="submit" attrs="" display="Login" id="uuid-6393099E-183F-11EA-890F-3ACD0ABD1946" widget="submit" value="" name="submit"/>
  </form>
</response>