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="" method="post" encoding="&#x2713;" uuid="B5D8C62C-4E06-11F1-A48D-14C325D43659">
    <field display="Username" value="" key="username" name="username" id="uuid-B5D8FAB6-4E06-11F1-A48D-14C325D43659" attrs="" widget="text"/>
    <field id="uuid-B5D94002-4E06-11F1-A48D-14C325D43659" name="password" key="password" display="Password" widget="password" attrs=""/>
    <field widget="submit" attrs="" id="uuid-B5D9880A-4E06-11F1-A48D-14C325D43659" name="submit" key="submit" value="" display="Login"/>
  </form>
</response>