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" encoding="&#x2713;" uuid="B63B479C-183A-11EA-AA02-03CD0ABD1946" key="login">
    <field display="Username" attrs="" id="uuid-B63BBF2E-183A-11EA-AA02-03CD0ABD1946" widget="text" key="username" name="username" value=""/>
    <field key="password" widget="password" id="uuid-B63BEBFC-183A-11EA-AA02-03CD0ABD1946" display="Password" attrs="" name="password"/>
    <field value="" name="submit" key="submit" widget="submit" attrs="" id="uuid-B63CEF34-183A-11EA-AA02-03CD0ABD1946" display="Login"/>
  </form>
</response>