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 uri="" method="post" encoding="&#x2713;" uuid="A3D40BFC-183A-11EA-AA56-05280BBD1946" key="login">
    <field widget="text" id="uuid-A3D43D2A-183A-11EA-AA56-05280BBD1946" display="Username" attrs="" key="username" name="username" value=""/>
    <field widget="password" display="Password" id="uuid-A3D46A02-183A-11EA-AA56-05280BBD1946" attrs="" key="password" name="password"/>
    <field id="uuid-A3D49C0C-183A-11EA-AA56-05280BBD1946" display="Login" attrs="" widget="submit" key="submit" name="submit" value=""/>
  </form>
</response>