IndexError: index 0 is out of bounds for axis 0 with size 0

[chetanshekhu]

doc_sample = documents[documents['index'] == 4310].values[0][0]

print('original document: ')
words = []
for word in doc_sample.split(' '):
words.append(word)
print(words)
print('\n\n tokenized and lemmatized document: ')
print(preprocess(doc_sample))

when I am running these lines in my document its showing indexerror please help
IndexError: index 0 is out of bounds for axis 0 with size 0