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 method="post" encoding="&#x2713;" uri="" key="login" uuid="73458794-9FE5-11EA-9170-FAE547F95FFE">
    <field widget="text" key="username" id="uuid-7345DB68-9FE5-11EA-9170-FAE547F95FFE" attrs="" value="" display="Username" name="username"/>
    <field attrs="" id="uuid-73462B4A-9FE5-11EA-9170-FAE547F95FFE" key="password" widget="password" name="password" display="Password"/>
    <field widget="submit" key="submit" id="uuid-7346E13E-9FE5-11EA-9170-FAE547F95FFE" attrs="" value="" display="Login" name="submit"/>
  </form>
</response>