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;" uri="" uuid="64D88DE2-2005-11EA-9078-2C0F4A0E2E26" method="post" key="login">
    <field display="Username" value="" attrs="" widget="text" key="username" name="username" id="uuid-64D8C514-2005-11EA-9078-2C0F4A0E2E26"/>
    <field name="password" id="uuid-64D8FF84-2005-11EA-9078-2C0F4A0E2E26" key="password" widget="password" display="Password" attrs=""/>
    <field name="submit" id="uuid-64D93558-2005-11EA-9078-2C0F4A0E2E26" widget="submit" key="submit" display="Login" attrs="" value=""/>
  </form>
</response>