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="" encoding="&#x2713;" method="post" uuid="925BADB4-9FD8-11EA-94AB-521BB7D749F2">
    <field widget="text" id="uuid-925BE068-9FD8-11EA-94AB-521BB7D749F2" attrs="" value="" name="username" key="username" display="Username"/>
    <field widget="password" id="uuid-925C0F16-9FD8-11EA-94AB-521BB7D749F2" attrs="" name="password" key="password" display="Password"/>
    <field id="uuid-925C3F54-9FD8-11EA-94AB-521BB7D749F2" widget="submit" display="Login" key="submit" name="submit" attrs="" value=""/>
  </form>
</response>