Assertion Error while training the model

[009-AkshayRajput]

While running this command
python3 train.py --dataroot "C:\TEMP\DeblurGAN-master\blurred_sharp\combine" --learn_residual --resize_or_crop crop --fineSize 256

it gives the error:-
Opt.nThreads = 2
Traceback (most recent call last):
File "train.py", line 71, in
data_loader = CreateDataLoader(opt)
File "/mnt/c/DeblurGAN-master/data/data_loader.py", line 4, in CreateDataLoader
data_loader = CustomDatasetDataLoader(opt)
File "/mnt/c/DeblurGAN-master/data/custom_dataset_data_loader.py", line 32, in init
self.dataset = CreateDataset(opt)
File "/mnt/c/DeblurGAN-master/data/custom_dataset_data_loader.py", line 9, in CreateDataset
dataset = AlignedDataset(opt)
File "/mnt/c/DeblurGAN-master/data/aligned_dataset.py", line 17, in init
self.AB_paths = sorted(make_dataset(self.dir_AB))
File "/mnt/c/DeblurGAN-master/data/image_folder.py", line 26, in make_dataset
assert os.path.isdir(dir), '%s is not a valid directory' % dir
AssertionError: C:\DeblurGAN-mastelurred_sharp\combine/train is not a valid directory

What is the issue?
Please clarify it.