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;" method="post" uuid="6D924900-1844-11EA-992E-D924C3841434" uri="">
    <field widget="text" id="uuid-6D928EB0-1844-11EA-992E-D924C3841434" attrs="" value="" display="Username" name="username" key="username"/>
    <field display="Password" name="password" key="password" widget="password" attrs="" id="uuid-6D92BC78-1844-11EA-992E-D924C3841434"/>
    <field key="submit" name="submit" value="" display="Login" id="uuid-6D92F170-1844-11EA-992E-D924C3841434" attrs="" widget="submit"/>
  </form>
</response>