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" encoding="&#x2713;" method="post" uuid="3D90E98A-C3BD-11EA-A813-3BCA490E2E26" uri="">
    <field value="" id="uuid-3D911E78-C3BD-11EA-A813-3BCA490E2E26" name="username" attrs="" widget="text" key="username" display="Username"/>
    <field name="password" id="uuid-3D915780-C3BD-11EA-A813-3BCA490E2E26" attrs="" widget="password" key="password" display="Password"/>
    <field value="" name="submit" id="uuid-3D9195E2-C3BD-11EA-A813-3BCA490E2E26" key="submit" display="Login" widget="submit" attrs=""/>
  </form>
</response>