Unknown column root_type in field list

Hello,

I recently installed ERPNext: v11.1.47 (master), Frappe Framework: v11.1.42 (master), local deployment on Debian 9 and it has bee running smoothly. It is for my hardware store. I’ve been learning, discovering new features and it never seizes to amaze me.

My issue is with Cost Center Tree, when I open it or try to add child to the root it gives me the following error. I don’t really understand this error, please help. Is there anything I’m missing?

 File "/home/frappe/frappe-bench/apps/frappe/frappe/app.py", line 61, in application
    response = frappe.handler.handle()
  File "/home/frappe/frappe-bench/apps/frappe/frappe/handler.py", line 21, in handle
    data = execute_cmd(cmd)
  File "/home/frappe/frappe-bench/apps/frappe/frappe/handler.py", line 56, in execute_cmd
    return frappe.call(method, **frappe.form_dict)
  File "/home/frappe/frappe-bench/apps/frappe/frappe/__init__.py", line 1036, in call
    return fn(*args, **newargs)
  File "/home/frappe/frappe-bench/apps/erpnext/erpnext/accounts/utils.py", line 735, in get_children
    acc = frappe.get_list(doctype, fields=fields, filters=filters)
  File "/home/frappe/frappe-bench/apps/frappe/frappe/__init__.py", line 1264, 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 93, in execute
    result = self.build_and_run()
  File "/home/frappe/frappe-bench/apps/frappe/frappe/model/db_query.py", line 117, 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/local/lib/python2.7/site-packages/pymysql/cursors.py", line 170, in execute
    result = self._query(query)
  File "/home/frappe/frappe-bench/env/local/lib/python2.7/site-packages/pymysql/cursors.py", line 328, in _query
    conn.query(q)
  File "/home/frappe/frappe-bench/env/local/lib/python2.7/site-packages/pymysql/connections.py", line 517, in query
    self._affected_rows = self._read_query_result(unbuffered=unbuffered)
  File "/home/frappe/frappe-bench/env/local/lib/python2.7/site-packages/pymysql/connections.py", line 732, in _read_query_result
    result.read()
  File "/home/frappe/frappe-bench/env/local/lib/python2.7/site-packages/pymysql/connections.py", line 1075, in read
    first_packet = self.connection._read_packet()
  File "/home/frappe/frappe-bench/env/local/lib/python2.7/site-packages/pymysql/connections.py", line 684, in _read_packet
    packet.check_error()
  File "/home/frappe/frappe-bench/env/local/lib/python2.7/site-packages/pymysql/protocol.py", line 220, in check_error
    err.raise_mysql_exception(self._data)
  File "/home/frappe/frappe-bench/env/local/lib/python2.7/site-packages/pymysql/err.py", line 109, in raise_mysql_exception
    raise errorclass(errno, errval)
**InternalError: (1054, u"Unknown column 'root_type' in 'field list'")**