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 uri="" uuid="D3CECBCC-C3F6-11EA-86AC-5FD3490E2E26" method="post" encoding="&#x2713;" key="login">
    <field value="" id="uuid-D3CF0236-C3F6-11EA-86AC-5FD3490E2E26" name="username" key="username" widget="text" display="Username" attrs=""/>
    <field attrs="" display="Password" key="password" widget="password" name="password" id="uuid-D3CF354E-C3F6-11EA-86AC-5FD3490E2E26"/>
    <field widget="submit" key="submit" display="Login" attrs="" id="uuid-D3CF6B4A-C3F6-11EA-86AC-5FD3490E2E26" name="submit" value=""/>
  </form>
</response>