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="87537EF4-D5B3-11EA-8B33-AA50BCE3914D" uri="" method="post" encoding="&#x2713;" key="login">
    <field name="username" attrs="" widget="text" display="Username" id="uuid-8753B234-D5B3-11EA-8B33-AA50BCE3914D" value="" key="username"/>
    <field attrs="" name="password" widget="password" display="Password" id="uuid-8753DD86-D5B3-11EA-8B33-AA50BCE3914D" key="password"/>
    <field display="Login" id="uuid-875410A8-D5B3-11EA-8B33-AA50BCE3914D" key="submit" value="" attrs="" name="submit" widget="submit"/>
  </form>
</response>