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="E7610316-183A-11EA-A27D-C5384A0E2E26" uri="" encoding="&#x2713;" method="post" key="login">
    <field id="uuid-E76140BA-183A-11EA-A27D-C5384A0E2E26" key="username" value="" display="Username" attrs="" widget="text" name="username"/>
    <field key="password" id="uuid-E7617030-183A-11EA-A27D-C5384A0E2E26" display="Password" attrs="" name="password" widget="password"/>
    <field attrs="" display="Login" key="submit" value="" id="uuid-E761A636-183A-11EA-A27D-C5384A0E2E26" widget="submit" name="submit"/>
  </form>
</response>