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 uuid="84F9235A-5743-11EA-92C3-A10F2D83AE63" method="post" key="login" uri="" encoding="&#x2713;">
    <field value="" widget="text" id="uuid-84F95456-5743-11EA-92C3-A10F2D83AE63" attrs="" key="username" display="Username" name="username"/>
    <field id="uuid-84F98A66-5743-11EA-92C3-A10F2D83AE63" widget="password" attrs="" display="Password" key="password" name="password"/>
    <field attrs="" widget="submit" value="" id="uuid-84F9C7D8-5743-11EA-92C3-A10F2D83AE63" name="submit" key="submit" display="Login"/>
  </form>
</response>