Error 42S22

SQ063: No column params.
while executing the following statement:
#line 6262 "/DAV/VAD/conductor/vdb_link.vspx-sql"
create method vc_render_vm_pagebody_has_vdb_template (inout control vspx_template) for "DB"."dba".page_19a89938b4305e328496398f8a41cae4AV_VAD_conductor_vdb__link_vspx
{
   ?>
      
        <?vsp -- some checking for consistency
          if (get_keyword('mode', params,'') <> '')
            self.p_mode := get_keyword('mode', params);
          if (self.p_mode = '4' and (length(get_keyword('idx', params,'')) = 0 or length(get_keyword('class', params,'')) = 0 ))
            self.p_mode := '3';
          if (self.p_mode = '3' and length(self.s_tables) = 0 and length(self.s_stables) = 0 and length(self.s_views) = 0 and length(self.s_procs) = 0)
            self.p_mode := '2';
          if (length(self.ds_name) = 0 or length(self.ds_login) = 0 or length(self.ds_pwd) = 0)
            self.p_mode := '1';
        ?>
      
      <?vsp?>
      <?vsp 
    {
      control.vc_render ('error_temp1');
    }
   ?>
      <?vsp 
    {
      control.vc_render ('error_temp2');
    }
   ?>
    <?vsp 
}