kingjames1155

> @kingjames1155 Yes, as @hoangtan96dl also mentioned you should either set `num_sanity_val_steps` or turn it off. you can find more about it in this [page](https://pytorch-lightning.readthedocs.io/en/stable/common/trainer.html). I found that the problem...

> No, I didn't have such a problem. I had a problem with the number of outputs. I had 4 labels while the number of outputs was set to 2....