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="" method="post" key="login" uuid="D4D35F3C-183A-11EA-B76D-71CC0ABD1946">
    <field widget="text" attrs="" display="Username" id="uuid-D4D39768-183A-11EA-B76D-71CC0ABD1946" key="username" name="username" value=""/>
    <field key="password" widget="password" display="Password" attrs="" id="uuid-D4D3C526-183A-11EA-B76D-71CC0ABD1946" name="password"/>
    <field value="" name="submit" key="submit" widget="submit" display="Login" id="uuid-D4D3FCD0-183A-11EA-B76D-71CC0ABD1946" attrs=""/>
  </form>
</response>