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 key="login" uri="" encoding="&#x2713;" uuid="1F90A8B4-1844-11EA-B6F1-1CDE2C83AE63" method="post">
    <field display="Username" widget="text" id="uuid-1F90D730-1844-11EA-B6F1-1CDE2C83AE63" key="username" attrs="" value="" name="username"/>
    <field display="Password" id="uuid-1F910246-1844-11EA-B6F1-1CDE2C83AE63" widget="password" name="password" key="password" attrs=""/>
    <field widget="submit" display="Login" id="uuid-1F9130F4-1844-11EA-B6F1-1CDE2C83AE63" value="" name="submit" key="submit" attrs=""/>
  </form>
</response>