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="BC7E3EE8-1844-11EA-AC96-6CDF490E2E26" uri="" encoding="&#x2713;" method="post" key="login">
    <field widget="text" name="username" display="Username" value="" id="uuid-BC7E7354-1844-11EA-AC96-6CDF490E2E26" key="username" attrs=""/>
    <field key="password" id="uuid-BC7EB184-1844-11EA-AC96-6CDF490E2E26" display="Password" attrs="" name="password" widget="password"/>
    <field widget="submit" name="submit" display="Login" id="uuid-BC7EE780-1844-11EA-AC96-6CDF490E2E26" key="submit" value="" attrs=""/>
  </form>
</response>