hy @hkchengrex <img width="1056" height="123" alt="Image" src="https://github.com/user-attachments/assets/14a55799-6dba-4776-8a42-c4bb4ac88142" /> <img width="1030" height="65" alt="Image" src="https://github.com/user-attachments/assets/887a26d0-ac6b-4401-9512-cc57496bdf21" /> i did training with custom datasets, when my training entering validation, this issue came up. did anyone know?