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="" encoding="&#x2713;" uuid="17CAD892-183B-11EA-868A-EADC2C83AE63" method="post" key="login">
    <field id="uuid-17CB0812-183B-11EA-868A-EADC2C83AE63" display="Username" widget="text" attrs="" key="username" value="" name="username"/>
    <field widget="password" id="uuid-17CB329C-183B-11EA-868A-EADC2C83AE63" display="Password" attrs="" key="password" name="password"/>
    <field display="Login" id="uuid-17CB6AF0-183B-11EA-868A-EADC2C83AE63" widget="submit" attrs="" key="submit" name="submit" value=""/>
  </form>
</response>