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 encoding="&#x2713;" method="post" key="login" uuid="FBB63658-C02B-11EA-BBB6-4AFB490E2E26" uri="">
    <field widget="text" attrs="" value="" name="username" key="username" id="uuid-FBB66C04-C02B-11EA-BBB6-4AFB490E2E26" display="Username"/>
    <field widget="password" attrs="" name="password" key="password" id="uuid-FBB69DD2-C02B-11EA-BBB6-4AFB490E2E26" display="Password"/>
    <field display="Login" id="uuid-FBB6D144-C02B-11EA-BBB6-4AFB490E2E26" key="submit" name="submit" widget="submit" attrs="" value=""/>
  </form>
</response>