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="" encoding="&#x2713;" uuid="9C29254A-1993-11EA-8996-A6BB47F95FFE" method="post">
    <field attrs="" widget="text" display="Username" name="username" key="username" id="uuid-9C2959D4-1993-11EA-8996-A6BB47F95FFE" value=""/>
    <field attrs="" widget="password" display="Password" key="password" name="password" id="uuid-9C29879C-1993-11EA-8996-A6BB47F95FFE"/>
    <field widget="submit" attrs="" value="" id="uuid-9C29B712-1993-11EA-8996-A6BB47F95FFE" name="submit" display="Login" key="submit"/>
  </form>
</response>