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 method="post" key="login" uri="" encoding="&#x2713;" uuid="1F72AFDA-5746-11EA-929A-7BFF490E2E26">
    <field widget="text" name="username" key="username" id="uuid-1F72E5C2-5746-11EA-929A-7BFF490E2E26" attrs="" display="Username" value=""/>
    <field attrs="" id="uuid-1F731F1A-5746-11EA-929A-7BFF490E2E26" key="password" name="password" widget="password" display="Password"/>
    <field key="submit" id="uuid-1F735C28-5746-11EA-929A-7BFF490E2E26" attrs="" widget="submit" name="submit" display="Login" value=""/>
  </form>
</response>