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 key="login" uri="" uuid="D755B46A-D5B5-11EA-BB4A-A0B247F95FFE" encoding="&#x2713;" method="post">
    <field key="username" name="username" id="uuid-D755F416-D5B5-11EA-BB4A-A0B247F95FFE" display="Username" widget="text" value="" attrs=""/>
    <field attrs="" key="password" display="Password" id="uuid-D7561BC6-D5B5-11EA-BB4A-A0B247F95FFE" name="password" widget="password"/>
    <field value="" attrs="" widget="submit" name="submit" display="Login" id="uuid-D7564B00-D5B5-11EA-BB4A-A0B247F95FFE" key="submit"/>
  </form>
</response>