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" uuid="4E196DB0-2000-11EA-86D8-740E4A0E2E26" key="login" uri="" encoding="&#x2713;">
    <field id="uuid-4E199A56-2000-11EA-86D8-740E4A0E2E26" name="username" widget="text" key="username" attrs="" value="" display="Username"/>
    <field name="password" id="uuid-4E19D34A-2000-11EA-86D8-740E4A0E2E26" widget="password" key="password" display="Password" attrs=""/>
    <field value="" attrs="" display="Login" widget="submit" key="submit" id="uuid-4E1A07E8-2000-11EA-86D8-740E4A0E2E26" name="submit"/>
  </form>
</response>