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" uuid="40D4411A-1999-11EA-B50D-37E2C2841434" encoding="&#x2713;" key="login">
    <field name="username" key="username" display="Username" value="" id="uuid-40D4784C-1999-11EA-B50D-37E2C2841434" attrs="" widget="text"/>
    <field attrs="" id="uuid-40D4B4EC-1999-11EA-B50D-37E2C2841434" widget="password" name="password" key="password" display="Password"/>
    <field widget="submit" id="uuid-40D4E75A-1999-11EA-B50D-37E2C2841434" attrs="" display="Login" value="" name="submit" key="submit"/>
  </form>
</response>