The dataset contains data for more than one training level node !

The dataset contains data for more than one training level node

Please check the following table to remove those rows
```
store item number_of_rows
0 X a 59
1 X b 59
2 X c 59
3 X d 59
4 X e 59
```

How to resolve this issue ?

未識別任何檔案、筆記本、測試或進入點。首先定位產生所示 store/item 計數的筆記本或資料集，然後確定哪些列對應於多個訓練層級節點。完成的標準是資料集不再包含對應於多個訓練層級節點的列。

由索引模型根據 Issue 內容生成。