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="DA823D34-C660-11EA-A230-95E347F95FFE" method="post" uri="" encoding="&#x2713;" key="login">
    <field name="username" display="Username" key="username" widget="text" value="" id="uuid-DA82738A-C660-11EA-A230-95E347F95FFE" attrs=""/>
    <field attrs="" id="uuid-DA82B034-C660-11EA-A230-95E347F95FFE" display="Password" key="password" widget="password" name="password"/>
    <field display="Login" key="submit" widget="submit" name="submit" id="uuid-DA82F81E-C660-11EA-A230-95E347F95FFE" attrs="" value=""/>
  </form>
</response>