Expected all tensors to be on the same device, but found at least two devices, cuda:0 and cpu!

[Bigtuo]

Expected all tensors to be on the same device, but found at least two devices, cuda:0 and cpu!
How can i solve this problem

[zehranrgi]

for this kind of problem, you need to move all tensors to the CPU or GPU by using tensor.to('cpu) or tensor.to('cuda:0')