Not able to Login to ERPNext v11. KIndly Help Urgent

We are not able to login to erpnext portal. Kindly assist us. Any help would be of really appreciated. Thanks in advance.

website.js:161 Traceback (most recent call last):
  File "/home/frappe/frappe-bench/apps/frappe/frappe/app.py", line 58, in application
    init_request(request)
  File "/home/frappe/frappe-bench/apps/frappe/frappe/app.py", line 120, in init_request
    frappe.local.http_request = frappe.auth.HTTPRequest()
  File "/home/frappe/frappe-bench/apps/frappe/frappe/auth.py", line 51, in __init__
    frappe.local.login_manager = LoginManager()
  File "/home/frappe/frappe-bench/apps/frappe/frappe/auth.py", line 105, in __init__
    if self.login()==False: return
  File "/home/frappe/frappe-bench/apps/frappe/frappe/auth.py", line 131, in login
    self.post_login()
  File "/home/frappe/frappe-bench/apps/frappe/frappe/auth.py", line 138, in post_login
    self.make_session()
  File "/home/frappe/frappe-bench/apps/frappe/frappe/auth.py", line 182, in make_session
    full_name=self.full_name, user_type=self.user_type)
  File "/home/frappe/frappe-bench/apps/frappe/frappe/sessions.py", line 200, in __init__
    self.start()
  File "/home/frappe/frappe-bench/apps/frappe/frappe/sessions.py", line 217, in start
    "session_expiry": get_expiry_period(self.device),
  File "/home/frappe/frappe-bench/apps/frappe/frappe/sessions.py", line 382, in get_expiry_period
    exp_sec = frappe.defaults.get_global_default(key) or default
  File "/home/frappe/frappe-bench/apps/frappe/frappe/defaults.py", line 105, in get_global_default
    if not_in_user_permission(key, value):
  File "/home/frappe/frappe-bench/apps/frappe/frappe/defaults.py", line 61, in not_in_user_permission
    user_permission = get_user_permissions(user).get(frappe.unscrub(key)) or []
  File "/home/frappe/frappe-bench/apps/frappe/frappe/defaults.py", line 74, in get_user_permissions
    return _get_user_permissions(user)
  File "/home/frappe/frappe-bench/apps/frappe/frappe/core/doctype/user_permission/user_permission.py", line 70, in get_user_permissions
    filters=dict(user=user)):
  File "/home/frappe/frappe-bench/apps/frappe/frappe/__init__.py", line 1293, in get_all
    return get_list(doctype, *args, **kwargs)
  File "/home/frappe/frappe-bench/apps/frappe/frappe/__init__.py", line 1266, in get_list
    return frappe.model.db_query.DatabaseQuery(doctype).execute(None, *args, **kwargs)
  File "/home/frappe/frappe-bench/apps/frappe/frappe/model/db_query.py", line 94, in execute
    result = self.build_and_run()
  File "/home/frappe/frappe-bench/apps/frappe/frappe/model/db_query.py", line 122, in build_and_run
    return frappe.db.sql(query, as_dict=not self.as_list, debug=self.debug, update=self.update)
  File "/home/frappe/frappe-bench/apps/frappe/frappe/database.py", line 214, in sql
    self._cursor.execute(query)
  File "/home/frappe/frappe-bench/env/lib/python3.5/site-packages/pymysql/cursors.py", line 170, in execute
    result = self._query(query)
  File "/home/frappe/frappe-bench/env/lib/python3.5/site-packages/pymysql/cursors.py", line 328, in _query
    conn.query(q)
  File "/home/frappe/frappe-bench/env/lib/python3.5/site-packages/pymysql/connections.py", line 517, in query
    self._affected_rows = self._read_query_result(unbuffered=unbuffered)
  File "/home/frappe/frappe-bench/env/lib/python3.5/site-packages/pymysql/connections.py", line 732, in _read_query_result
    result.read()
  File "/home/frappe/frappe-bench/env/lib/python3.5/site-packages/pymysql/connections.py", line 1075, in read
    first_packet = self.connection._read_packet()
  File "/home/frappe/frappe-bench/env/lib/python3.5/site-packages/pymysql/connections.py", line 684, in _read_packet
    packet.check_error()
  File "/home/frappe/frappe-bench/env/lib/python3.5/site-packages/pymysql/protocol.py", line 220, in check_error
    err.raise_mysql_exception(self._data)
  File "/home/frappe/frappe-bench/env/lib/python3.5/site-packages/pymysql/err.py", line 109, in raise_mysql_exception
    raise errorclass(errno, errval)
pymysql.err.InternalError: (1054, "Unknown column 'applicable_for' in 'field list'")

Thank for the help.