Default user permissions(Employee/Employee) are not getting while creation.
Please Find Below is my serverlog.
'kt_tma_user_login' is my custom module.

2018-04-26 16:06:01,846 26243 ERROR TMA_Prod_migrated_migrated odoo.addons.website.models.ir_http: 500 Internal Server Error:
Traceback (most recent call last):
  File "/opt/Proj_TMA_Upgrade/TMA_Upgrade_Sarendar/odoo/tools/cache.py", line 84, in lookup
    r = d[key]
  File "/opt/Proj_TMA_Upgrade/TMA_Upgrade_Sarendar/odoo/tools/func.py", line 68, in wrapper
    return func(self, *args, **kwargs)
  File "/opt/Proj_TMA_Upgrade/TMA_Upgrade_Sarendar/odoo/tools/lru.py", line 44, in __getitem__
    a = self.d[obj].me
KeyError: ('res.users', <function Users.context_get at 0x7faf649289d8>, 1617)
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
  File "/opt/Proj_TMA_Upgrade/TMA_Upgrade_Sarendar/odoo/fields.py", line 936, in __get__
    value = record.env.cache.get(record, self)
  File "/opt/Proj_TMA_Upgrade/TMA_Upgrade_Sarendar/odoo/api.py", line 960, in get
    value = self._data[field][record.id][key]
KeyError: (<odoo.sql_db.Cursor object at 0x7faf4cedf320>, 1)
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
  File "/opt/Proj_TMA_Upgrade/TMA_Upgrade_Sarendar/odoo/addons/base/ir/ir_http.py", line 208, in _dispatch
    result = request.dispatch()
  File "/opt/Proj_TMA_Upgrade/TMA_Upgrade_Sarendar/odoo/http.py", line 826, in dispatch
    r = self._call_function(**self.params)
  File "/opt/Proj_TMA_Upgrade/TMA_Upgrade_Sarendar/odoo/http.py", line 339, in _call_function
    return checked_call(self.db, *args, **kwargs)
  File "/opt/Proj_TMA_Upgrade/TMA_Upgrade_Sarendar/odoo/service/model.py", line 97, in wrapper
    return f(dbname, *args, **kwargs)
  File "/opt/Proj_TMA_Upgrade/TMA_Upgrade_Sarendar/odoo/http.py", line 332, in checked_call
    result = self.endpoint(*a, **kw)
  File "/opt/Proj_TMA_Upgrade/TMA_Upgrade_Sarendar/odoo/http.py", line 933, in __call__
    return self.method(*args, **kw)
  File "/opt/Proj_TMA_Upgrade/TMA_Upgrade_Sarendar/odoo/http.py", line 512, in response_wrap
    response = f(*args, **kw)
  File "/opt/Proj_TMA_Upgrade/TMA_Upgrade_Sarendar/addons/kt_tma_user_login/controllers/main.py", line 136, in web_login
    uid = request.session.authenticate(request.session.db, request.params['login'], request.params['password'])
  File "/opt/Proj_TMA_Upgrade/TMA_Upgrade_Sarendar/odoo/http.py", line 1045, in authenticate
    if uid: self.get_context()
  File "/opt/Proj_TMA_Upgrade/TMA_Upgrade_Sarendar/odoo/http.py", line 1081, in get_context
    self.context = request.env['res.users'].context_get() or {}
  File "<decorator-gen-61>", line 2, in context_get
  File "/opt/Proj_TMA_Upgrade/TMA_Upgrade_Sarendar/odoo/tools/cache.py", line 89, in lookup
    value = d[key] = self.method(*args, **kwargs)
  File "/opt/Proj_TMA_Upgrade/TMA_Upgrade_Sarendar/odoo/addons/base/res/res_users.py", line 424, in context_get
    res = getattr(user, k) or False
  File "/opt/Proj_TMA_Upgrade/TMA_Upgrade_Sarendar/odoo/fields.py", line 943, in __get__
    value = record.env.cache.get(record, self)
  File "/opt/Proj_TMA_Upgrade/TMA_Upgrade_Sarendar/odoo/api.py", line 961, in get
    return value.get() if isinstance(value, SpecialValue) else value
  File "/opt/Proj_TMA_Upgrade/TMA_Upgrade_Sarendar/odoo/api.py", line 993, in getter
    raise exception
  File "/opt/Proj_TMA_Upgrade/TMA_Upgrade_Sarendar/odoo/fields.py", line 1012, in compute_value
    self._compute_value(record)
  File "/opt/Proj_TMA_Upgrade/TMA_Upgrade_Sarendar/odoo/fields.py", line 1000, in _compute_value
    self.compute(records)
  File "/opt/Proj_TMA_Upgrade/TMA_Upgrade_Sarendar/odoo/fields.py", line 585, in _compute_related
    values = [first(value[name]) for value in values]
  File "/opt/Proj_TMA_Upgrade/TMA_Upgrade_Sarendar/odoo/fields.py", line 585, in <listcomp>
    values = [first(value[name]) for value in values]
  File "/opt/Proj_TMA_Upgrade/TMA_Upgrade_Sarendar/odoo/models.py", line 4672, in __getitem__
    return self._fields[key].__get__(self, type(self))
  File "/opt/Proj_TMA_Upgrade/TMA_Upgrade_Sarendar/odoo/fields.py", line 936, in __get__
    value = record.env.cache.get(record, self)
  File "/opt/Proj_TMA_Upgrade/TMA_Upgrade_Sarendar/odoo/api.py", line 961, in get
    return value.get() if isinstance(value, SpecialValue) else value
  File "/opt/Proj_TMA_Upgrade/TMA_Upgrade_Sarendar/odoo/api.py", line 993, in getter
    raise exception
  File "/opt/Proj_TMA_Upgrade/TMA_Upgrade_Sarendar/odoo/fields.py", line 1007, in compute_value
    self._compute_value(records)
  File "/opt/Proj_TMA_Upgrade/TMA_Upgrade_Sarendar/odoo/fields.py", line 1000, in _compute_value
    self.compute(records)
  File "/opt/Proj_TMA_Upgrade/TMA_Upgrade_Sarendar/odoo/fields.py", line 585, in _compute_related
    values = [first(value[name]) for value in values]
  File "/opt/Proj_TMA_Upgrade/TMA_Upgrade_Sarendar/odoo/fields.py", line 585, in <listcomp>
    values = [first(value[name]) for value in values]
  File "/opt/Proj_TMA_Upgrade/TMA_Upgrade_Sarendar/odoo/models.py", line 4672, in __getitem__
    return self._fields[key].__get__(self, type(self))
  File "/opt/Proj_TMA_Upgrade/TMA_Upgrade_Sarendar/odoo/fields.py", line 943, in __get__
    value = record.env.cache.get(record, self)
  File "/opt/Proj_TMA_Upgrade/TMA_Upgrade_Sarendar/odoo/api.py", line 961, in get
    return value.get() if isinstance(value, SpecialValue) else value
  File "/opt/Proj_TMA_Upgrade/TMA_Upgrade_Sarendar/odoo/api.py", line 993, in getter
    raise exception
  File "/opt/Proj_TMA_Upgrade/TMA_Upgrade_Sarendar/odoo/models.py", line 2533, in read
    values[name] = field.convert_to_read(record[name], record, use_name_get)
  File "/opt/Proj_TMA_Upgrade/TMA_Upgrade_Sarendar/odoo/models.py", line 4672, in __getitem__
    return self._fields[key].__get__(self, type(self))
  File "/opt/Proj_TMA_Upgrade/TMA_Upgrade_Sarendar/odoo/fields.py", line 936, in __get__
    value = record.env.cache.get(record, self)
  File "/opt/Proj_TMA_Upgrade/TMA_Upgrade_Sarendar/odoo/api.py", line 961, in get
    return value.get() if isinstance(value, SpecialValue) else value
  File "/opt/Proj_TMA_Upgrade/TMA_Upgrade_Sarendar/odoo/api.py", line 993, in getter
    raise exception
odoo.exceptions.MissingError: ('Record does not exist or has been deleted.', None)