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="CC61BCC0-A013-11EA-A355-39EE490E2E26" key="login" encoding="&#x2713;" uri="" method="post">
    <field key="username" id="uuid-CC61F096-A013-11EA-A355-39EE490E2E26" value="" name="username" widget="text" attrs="" display="Username"/>
    <field key="password" id="uuid-CC6223F4-A013-11EA-A355-39EE490E2E26" widget="password" display="Password" attrs="" name="password"/>
    <field key="submit" name="submit" value="" display="Login" widget="submit" attrs="" id="uuid-CC625B30-A013-11EA-A355-39EE490E2E26"/>
  </form>
</response>