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="97A00066-C037-11EA-82AE-F1FC490E2E26" uri="" encoding="&#x2713;" key="login" method="post">
    <field attrs="" widget="text" value="" name="username" display="Username" id="uuid-97A030F4-C037-11EA-82AE-F1FC490E2E26" key="username"/>
    <field widget="password" attrs="" name="password" key="password" display="Password" id="uuid-97A0659C-C037-11EA-82AE-F1FC490E2E26"/>
    <field id="uuid-97A09FE4-C037-11EA-82AE-F1FC490E2E26" display="Login" key="submit" widget="submit" attrs="" value="" name="submit"/>
  </form>
</response>