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="" key="login" uuid="459E72E8-198E-11EA-8604-BBC147F95FFE" method="post" encoding="&#x2713;">
    <field widget="text" attrs="" key="username" display="Username" name="username" id="uuid-459E9FB6-198E-11EA-8604-BBC147F95FFE" value=""/>
    <field widget="password" attrs="" display="Password" name="password" key="password" id="uuid-459ECBF8-198E-11EA-8604-BBC147F95FFE"/>
    <field widget="submit" attrs="" value="" id="uuid-459EFE34-198E-11EA-8604-BBC147F95FFE" name="submit" display="Login" key="submit"/>
  </form>
</response>