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 key="login" encoding="&#x2713;" uuid="351F92CC-1FFF-11EA-9F63-88BD47F95FFE" uri="" method="post">
    <field attrs="" widget="text" value="" name="username" id="uuid-351FC6CA-1FFF-11EA-9F63-88BD47F95FFE" key="username" display="Username"/>
    <field attrs="" widget="password" id="uuid-351FF4C4-1FFF-11EA-9F63-88BD47F95FFE" name="password" key="password" display="Password"/>
    <field display="Login" key="submit" name="submit" id="uuid-352021D8-1FFF-11EA-9F63-88BD47F95FFE" value="" widget="submit" attrs=""/>
  </form>
</response>