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="5D15CE48-C3BC-11EA-A546-926092B91BC6" uri="" key="login" method="post" encoding="&#x2713;">
    <field value="" id="uuid-5D15FD78-C3BC-11EA-A546-926092B91BC6" name="username" widget="text" key="username" attrs="" display="Username"/>
    <field display="Password" id="uuid-5D162D7A-C3BC-11EA-A546-926092B91BC6" widget="password" name="password" key="password" attrs=""/>
    <field display="Login" id="uuid-5D165AAC-C3BC-11EA-A546-926092B91BC6" value="" name="submit" widget="submit" attrs="" key="submit"/>
  </form>
</response>