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 encoding="&#x2713;" key="login" uri="" uuid="B1700CCC-2003-11EA-86C5-B2BD47F95FFE" method="post">
    <field key="username" name="username" id="uuid-B1703760-2003-11EA-86C5-B2BD47F95FFE" display="Username" attrs="" value="" widget="text"/>
    <field attrs="" widget="password" key="password" name="password" id="uuid-B1706424-2003-11EA-86C5-B2BD47F95FFE" display="Password"/>
    <field display="Login" key="submit" id="uuid-B1709732-2003-11EA-86C5-B2BD47F95FFE" name="submit" value="" widget="submit" attrs=""/>
  </form>
</response>