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 uri="" encoding="&#x2713;" uuid="6B37FF9A-A00E-11EA-BC59-A47747F95FFE" key="login" method="post">
    <field widget="text" key="username" id="uuid-6B382FBA-A00E-11EA-BC59-A47747F95FFE" attrs="" display="Username" value="" name="username"/>
    <field id="uuid-6B385B7A-A00E-11EA-BC59-A47747F95FFE" key="password" attrs="" widget="password" name="password" display="Password"/>
    <field display="Login" value="" name="submit" widget="submit" attrs="" key="submit" id="uuid-6B388C80-A00E-11EA-BC59-A47747F95FFE"/>
  </form>
</response>