| ts_feature should be pd.DataFrame/Series, not | exception | error | |
| This function must be implemented in your newly defined… | exception | error | |
| is not the opening time of the stock market | exception | error | |
| Implement this method if you want to use dataset feature… | exception | error | |
| Subclass of InstrumentStorage must implement `__len__` … | exception | error | |
| Subclass of CalendarStorage must implement `__len__` method | exception | error | |
| Subclass of InstrumentStorage must implement `update` method | exception | error | |
| The instance of is not a valid ` `! | exception | error | |
| Subclass of InstrumentStorage must implement `clear` method | exception | error | |
| Subclass of CalendarStorage must implement `extend` method | exception | error | |
| Subclass of CalendarStorage must implement `insert` method | exception | error | |
| Subclass of CalendarStorage must implement `remove` method | exception | error | |
| Subclass of InstrumentStorage must implement `data` method | exception | error | |
| Implement this function to match your own cache mechanism | exception | error | |
| Implement this method if you want to use expression cache | exception | error | |
| Subclass of CalendarStorage must implement `clear` method | exception | error | |
| Subclass of CalendarStorage must implement `index` method | exception | error | |
| Subclass of CalendarStorage must implement `data` method | exception | error | |
| please implement the is_single_value func for | exception | error | |
| Unknown pickle backend, please use 'pickle' or 'dill'. | exception | error | |
| Please implement the `calculate_stock_value` method | exception | error | |
| Please implement the `get_stock_amount_dict` method | exception | error | |
| Please implement the `get_stock_weight_dict` method | exception | error | |
| end_date: is greater than the current date. | validation | error | |
| Please implement the 'sum_all_indicators' method | exception | error | |
| Please implement the `update stock price` method | exception | error | |
| Please implement the 'get_metric_series' method | exception | error | |
| Please implement the `get_stock_amount` method | exception | error | |
| Please implement the `calculate_value` method | exception | error | |
| Please implement the `get_stock_price` method | exception | error | |
| Please implement the 'get_index_data' method | exception | error | |
| Please implement the `get_stock_list` method | exception | error | |
| Please implement the `add_count_all` method | exception | error | |
| Please implement the `update_order` method | exception | error | |
| raw freq must be higher than sampling freq | exception | error | |
| Please implement the `check_stock` method | exception | error | |
| Please implement the `to_series` method | exception | error | |
| Please implement the `get_cash` method | exception | error | |
| sampling freq must be xmin, xd, xw, xm | exception | error | |
| Please implement the `replace` method | exception | error | |
| Please implement the 'assign' method | exception | error | |
| Please implement the 'apply' method | exception | error | |
| Unsupported file format | validation | error | |
| metric must be dict or pd.Series | exception | error | |
| not support | validation | error | |
| freq is not supported | exception | error | |
| Invalid index range | exception | error | |
| No data to sync to disk. | exception | error | |
| Unknown parameter | exception | error | |
| Unknown memcache unit | exception | error | |
| Unknown meta keyword | exception | error | |
| Wrong input | exception | error | |