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;" method="post" key="login" uri="" uuid="A9326412-1999-11EA-A555-6E1A4A0E2E26">
    <field key="username" value="" id="uuid-A932932E-1999-11EA-A555-6E1A4A0E2E26" display="Username" attrs="" widget="text" name="username"/>
    <field widget="password" name="password" display="Password" id="uuid-A932C48E-1999-11EA-A555-6E1A4A0E2E26" key="password" attrs=""/>
    <field attrs="" display="Login" value="" key="submit" id="uuid-A932F97C-1999-11EA-A555-6E1A4A0E2E26" name="submit" widget="submit"/>
  </form>
</response>