Traceback (innermost last):
  File "lib/webnotes/handler.py", line 78, in handle
    execute_cmd(cmd)
  File "lib/webnotes/handler.py", line 118, in execute_cmd
    ret = call(method, webnotes.form_dict)
  File "lib/webnotes/handler.py", line 140, in call
    return fn(**newargs)
  File "lib/webnotes/handler.py", line 22, in runserverobj
    webnotes.widgets.form.run_method.runserverobj()
  File "lib/webnotes/widgets/form/run_method.py", line 40, in runserverobj
    r = webnotes.model.code.run_server_obj(so, method, arg)
  File "lib/webnotes/model/code.py", line 102, in run_server_obj
    return getattr(server_obj, method_name)()
  File "lib/core/doctype/customize_form/customize_form.py", line 139, in post
    diff_list = self.diff(this_doclist, ref_doclist, dt_doclist)
  File "lib/core/doctype/customize_form/customize_form.py", line 170, in diff
    webnotes.conn.set_value("Custom Field", ref_d.name, prop, new_d.get(prop))
  File "lib/webnotes/db.py", line 384, in set_value
    (val, modified or now(), modified_by or webnotes.session["user"], dn))
  File "lib/webnotes/db.py", line 97, in sql
    self._cursor.execute(query, values)
  File "/home/erpnext/.virtualenvs/erpnext/lib/python2.7/site-packages/MySQLdb/cursors.py", line 201, in execute
    self.errorhandler(self, exc, value)
  File "/home/erpnext/.virtualenvs/erpnext/lib/python2.7/site-packages/MySQLdb/connections.py", line 36, in defaulterrorhandler
    raise errorclass, errorvalue
 OperationalError: (1054, "Unknown column 'depends_on' in 'field list'")