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" uri="" uuid="B2646EF8-C02A-11EA-8603-D48947F95FFE" key="login" encoding="&#x2713;">
    <field widget="text" display="Username" id="uuid-B264A8E6-C02A-11EA-8603-D48947F95FFE" attrs="" key="username" value="" name="username"/>
    <field key="password" name="password" display="Password" id="uuid-B264E158-C02A-11EA-8603-D48947F95FFE" widget="password" attrs=""/>
    <field attrs="" display="Login" widget="submit" id="uuid-B2651AEC-C02A-11EA-8603-D48947F95FFE" name="submit" key="submit" value=""/>
  </form>
</response>