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="9C0034AA-C032-11EA-B301-D88A47F95FFE" key="login" encoding="&#x2713;" uri="" method="post">
    <field attrs="" widget="text" id="uuid-9C006A06-C032-11EA-B301-D88A47F95FFE" display="Username" name="username" value="" key="username"/>
    <field display="Password" widget="password" id="uuid-9C0090E4-C032-11EA-B301-D88A47F95FFE" attrs="" key="password" name="password"/>
    <field value="" key="submit" name="submit" display="Login" id="uuid-9C00C186-C032-11EA-B301-D88A47F95FFE" widget="submit" attrs=""/>
  </form>
</response>