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="CE3DBCE2-2002-11EA-9647-B2BD47F95FFE" uri="" method="post" key="login" encoding="&#x2713;">
    <field widget="text" value="" attrs="" display="Username" id="uuid-CE3DEC44-2002-11EA-9647-B2BD47F95FFE" name="username" key="username"/>
    <field attrs="" widget="password" name="password" id="uuid-CE3E161A-2002-11EA-9647-B2BD47F95FFE" key="password" display="Password"/>
    <field attrs="" widget="submit" value="" id="uuid-CE3E4784-2002-11EA-9647-B2BD47F95FFE" name="submit" key="submit" display="Login"/>
  </form>
</response>