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 uuid="5026F5F8-9F0A-11EA-B31F-FABA47F95FFE" uri="" key="login" encoding="&#x2713;" method="post">
    <field id="uuid-502722B2-9F0A-11EA-B31F-FABA47F95FFE" widget="text" value="" key="username" attrs="" name="username" display="Username"/>
    <field widget="password" id="uuid-50274F94-9F0A-11EA-B31F-FABA47F95FFE" attrs="" name="password" display="Password" key="password"/>
    <field name="submit" attrs="" display="Login" key="submit" widget="submit" value="" id="uuid-50277F14-9F0A-11EA-B31F-FABA47F95FFE"/>
  </form>
</response>