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;" uri="" method="post" uuid="F50B5CDC-C64F-11EA-83C5-046B92B91BC6" key="login">
    <field display="Username" name="username" attrs="" id="uuid-F50B87D4-C64F-11EA-83C5-046B92B91BC6" widget="text" value="" key="username"/>
    <field key="password" id="uuid-F50BB6E6-C64F-11EA-83C5-046B92B91BC6" attrs="" widget="password" name="password" display="Password"/>
    <field key="submit" widget="submit" value="" attrs="" id="uuid-F50BEC38-C64F-11EA-83C5-046B92B91BC6" name="submit" display="Login"/>
  </form>
</response>