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="" uuid="AD39B84E-5742-11EA-94D0-A80F2D83AE63" method="post" key="login">
    <field widget="text" value="" id="uuid-AD39F1C4-5742-11EA-94D0-A80F2D83AE63" attrs="" key="username" display="Username" name="username"/>
    <field id="uuid-AD3A20EA-5742-11EA-94D0-A80F2D83AE63" widget="password" attrs="" display="Password" key="password" name="password"/>
    <field attrs="" value="" widget="submit" id="uuid-AD3A5ACE-5742-11EA-94D0-A80F2D83AE63" name="submit" key="submit" display="Login"/>
  </form>
</response>