@albanD sir please help again…
for i,data  in enumerate(dataloader):
#training starts
value,_=data
Traceback (most recent call last):
File “”, line 1, in 
for i,data  in enumerate(dataloader):
File “C:\Users\SHRIKANT\Anaconda3\lib\site-packages\torch\utils\data\dataloader.py”, line 819, in next
return self._process_data(data)
File “C:\Users\SHRIKANT\Anaconda3\lib\site-packages\torch\utils\data\dataloader.py”, line 846, in _process_data
data.reraise()
File “C:\Users\SHRIKANT\Anaconda3\lib\site-packages\torch_utils.py”, line 385, in reraise
raise self.exc_type(msg)
KeyError: Caught KeyError in DataLoader worker process 0.
Original Traceback (most recent call last):
File “C:\Users\SHRIKANT\Anaconda3\lib\site-packages\pandas\core\indexes\base.py”, line 2657, in get_loc
return self._engine.get_loc(key)
File “pandas/_libs/index.pyx”, line 108, in pandas._libs.index.IndexEngine.get_loc
File “pandas/_libs/index.pyx”, line 132, in pandas._libs.index.IndexEngine.get_loc
File “pandas/_libs/hashtable_class_helper.pxi”, line 1601, in pandas._libs.hashtable.PyObjectHashTable.get_item
File “pandas/_libs/hashtable_class_helper.pxi”, line 1608, in pandas._libs.hashtable.PyObjectHashTable.get_item
KeyError: 3
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File “C:\Users\SHRIKANT\Anaconda3\lib\site-packages\torch\utils\data_utils\worker.py”, line 178, in _worker_loop
data = fetcher.fetch(index)
File “C:\Users\SHRIKANT\Anaconda3\lib\site-packages\torch\utils\data_utils\fetch.py”, line 44, in fetch
data = [self.dataset[idx] for idx in possibly_batched_index]
File “C:\Users\SHRIKANT\Anaconda3\lib\site-packages\torch\utils\data_utils\fetch.py”, line 44, in 
data = [self.dataset[idx] for idx in possibly_batched_index]
File “C:\Users\SHRIKANT\Anaconda3\lib\site-packages\pandas\core\frame.py”, line 2927, in getitem
indexer = self.columns.get_loc(key)
File “C:\Users\SHRIKANT\Anaconda3\lib\site-packages\pandas\core\indexes\base.py”, line 2659, in get_loc
return self._engine.get_loc(self._maybe_cast_indexer(key))
File “pandas/_libs/index.pyx”, line 108, in pandas._libs.index.IndexEngine.get_loc
File “pandas/_libs/index.pyx”, line 132, in pandas._libs.index.IndexEngine.get_loc
File “pandas/_libs/hashtable_class_helper.pxi”, line 1601, in pandas._libs.hashtable.PyObjectHashTable.get_item
File “pandas/_libs/hashtable_class_helper.pxi”, line 1608, in pandas._libs.hashtable.PyObjectHashTable.get_item
KeyError: 3
why am i getting this error??