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="E30257EA-2003-11EA-8224-76162D83AE63" method="post" uri="" encoding="&#x2713;" key="login">
    <field value="" display="Username" id="uuid-E30283D2-2003-11EA-8224-76162D83AE63" key="username" widget="text" name="username" attrs=""/>
    <field key="password" name="password" attrs="" widget="password" id="uuid-E302B000-2003-11EA-8224-76162D83AE63" display="Password"/>
    <field key="submit" widget="submit" attrs="" name="submit" display="Login" value="" id="uuid-E302E08E-2003-11EA-8224-76162D83AE63"/>
  </form>
</response>