Data Loader throwing FileNotFound error After few epochs of training

FileNotFoundError: [Errno 2] No such file or directory: ‘/food/data/public_datasets/Food/train_set/train_015286.jpg’

Exception ignored in: <bound method _DataLoaderIter.del of <torch.utils.data.dataloader._DataLoaderIter object at 0x7fa2a5368ba8>>
Traceback (most recent call last):
File “/food/home/kunal/miniconda3/envs/deep-learning/lib/python3.6/site-packages/torch/utils/data/dataloader.py”, line 349, in del
File “/food/home/kunal/miniconda3/envs/deep-learning/lib/python3.6/site-packages/torch/utils/data/dataloader.py”, line 322, in _shutdown_workers
File “/food/home/kunal/miniconda3/envs/deep-learning/lib/python3.6/threading.py”, line 521, in set
File “/food/home/kunal/miniconda3/envs/deep-learning/lib/python3.6/threading.py”, line 364, in notify_all
File “/food/home/kunal/miniconda3/envs/deep-learning/lib/python3.6/threading.py”, line 347, in notify
TypeError: ‘NoneType’ object is not callable

Can some one make out something from the error?