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 uri="" key="login" uuid="138F1852-7369-11F1-AC13-3B31242F1D8B" encoding="&#x2713;" method="post">
    <field attrs="" name="username" display="Username" key="username" id="uuid-138F56C8-7369-11F1-AC13-3B31242F1D8B" widget="text" value=""/>
    <field widget="password" id="uuid-138FA524-7369-11F1-AC13-3B31242F1D8B" key="password" attrs="" display="Password" name="password"/>
    <field attrs="" display="Login" name="submit" key="submit" id="uuid-138FF65A-7369-11F1-AC13-3B31242F1D8B" widget="submit" value=""/>
  </form>
</response>