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="3BCB04E0-C035-11EA-87D1-3D6CBCE3914D" key="login" method="post" uri="" encoding="&#x2713;">
    <field widget="text" name="username" attrs="" key="username" id="uuid-3BCB3398-C035-11EA-87D1-3D6CBCE3914D" display="Username" value=""/>
    <field key="password" id="uuid-3BCB6AB6-C035-11EA-87D1-3D6CBCE3914D" display="Password" name="password" widget="password" attrs=""/>
    <field attrs="" widget="submit" name="submit" id="uuid-3BCBA242-C035-11EA-87D1-3D6CBCE3914D" value="" display="Login" key="submit"/>
  </form>
</response>