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 method="post" uri="" key="login" uuid="1FEBD202-C032-11EA-B822-D88A47F95FFE" encoding="&#x2713;">
    <field value="" key="username" name="username" widget="text" display="Username" id="uuid-1FEC0434-C032-11EA-B822-D88A47F95FFE" attrs=""/>
    <field key="password" name="password" display="Password" id="uuid-1FEC2AE0-C032-11EA-B822-D88A47F95FFE" widget="password" attrs=""/>
    <field attrs="" display="Login" widget="submit" id="uuid-1FEC5A1A-C032-11EA-B822-D88A47F95FFE" name="submit" value="" key="submit"/>
  </form>
</response>