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 encoding="&#x2713;" method="post" key="login" uri="" uuid="2E3231A6-C3B8-11EA-A898-6DD847F95FFE">
    <field key="username" attrs="" id="uuid-2E326B12-C3B8-11EA-A898-6DD847F95FFE" value="" name="username" widget="text" display="Username"/>
    <field display="Password" widget="password" name="password" id="uuid-2E329218-C3B8-11EA-A898-6DD847F95FFE" key="password" attrs=""/>
    <field name="submit" widget="submit" attrs="" key="submit" value="" id="uuid-2E32C3BE-C3B8-11EA-A898-6DD847F95FFE" display="Login"/>
  </form>
</response>