ValueError: Unsupported dataset: must have a valid targets field or has to be a Tensor Dataset with at least 2 Tensors

[Srijan2-0-2-3]

scenario = dataset_benchmark(
		[AvalancheDataset(WESADTrSet(pair=0), task_labels=1),
		AvalancheDataset(WESADTrSet(pair=1), task_labels=2),
		AvalancheDataset(WESADTrSet(pair=2), task_labels=3),
		AvalancheDataset(WESADTrSet(pair=3), task_labels=4),
		AvalancheDataset(WESADTrSet(pair=4), task_labels=5),
		AvalancheDataset(WESADTrSet(pair=5), task_labels=6),
		AvalancheDataset(WESADTrSet(pair=6), task_labels=7),
		AvalancheDataset(WESADTrSet(pair=7), task_labels=8)],
		[AvalancheDataset(WESADTsSet(), task_labels=0)]
	)

Hello sir
While running the above code, I am getting the following error:

ValueError: Unsupported dataset: must have a valid targets field or has to be a Tensor Dataset with at least 2 Tensors

Is there any way to bypass it???