In Settings, Configuration-->Indian Localization-->Products, when i check Define automatic codings on products , it redirects me to odoo apps server, after login, this is what i get.

Odoo Server Error

Traceback (most recent call last):
  File "/home/odoo/src/odoo/saas-6/openerp/http.py", line 539, in _handle_exception
    return super(JsonRequest, self)._handle_exception(exception)
  File "/home/odoo/src/odoo/saas-6/openerp/http.py", line 576, in dispatch
    result = self._call_function(**self.params)
  File "/home/odoo/src/odoo/saas-6/openerp/http.py", line 312, in _call_function
    return checked_call(self.db, *args, **kwargs)
  File "/home/odoo/src/odoo/saas-6/openerp/service/model.py", line 118, in wrapper
    return f(dbname, *args, **kwargs)
  File "/home/odoo/src/odoo/saas-6/openerp/http.py", line 309, in checked_call
    return self.endpoint(*a, **kw)
  File "/home/odoo/src/odoo/saas-6/openerp/http.py", line 814, in __call__
    return self.method(*args, **kw)
  File "/home/odoo/src/odoo/saas-6/openerp/http.py", line 405, in response_wrap
    response = f(*args, **kw)
  File "/home/odoo/src/custom/private/loempia/controllers/embed.py", line 51, in download_urls
    mods_to_install = Modules.compute_modules_to_install(series, module_names, local_modules)
  File "/home/odoo/src/odoo/saas-6/openerp/api.py", line 254, in wrapper
    return new_api(self, *args, **kwargs)
  File "/home/odoo/src/custom/private/loempia/loempia2.py", line 1088, in compute_modules_to_install
    assert len(mids) == len(set(requested_mods)), 'Unknown modules requested: %r' % requested_mods
AssertionError: Unknown modules requested: ['web_group_expand', 'product_coding']