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="1FF89ECC-2007-11EA-A2CC-CB020BBD1946" method="post" uri="" encoding="&#x2713;" key="login">
    <field widget="text" id="uuid-1FF8D5B8-2007-11EA-A2CC-CB020BBD1946" key="username" value="" attrs="" display="Username" name="username"/>
    <field key="password" id="uuid-1FF90ECA-2007-11EA-A2CC-CB020BBD1946" widget="password" name="password" display="Password" attrs=""/>
    <field display="Login" attrs="" name="submit" widget="submit" id="uuid-1FF94CA0-2007-11EA-A2CC-CB020BBD1946" value="" key="submit"/>
  </form>
</response>