Issue with train.py - error loading data

[tfg1434]

loading tensor data file 1 Saved model to models/new_save\model.ckpt (epoch fraction 0.001). Traceback (most recent call last): File "train.py", line 193, in <module> main() File "train.py", line 49, in main train(args) File "train.py", line 140, in train x, y = data_loader.next_batch() File "C:\Users\16175\Documents\code\chatbot-rnn\utils.py", line 192, in next_batch self._load_preprocessed((self.tensor_index + 1) % self.input_file_count) File "C:\Users\16175\Documents\code\chatbot-rnn\utils.py", line 154, in _load_preprocessed ydata[-1] = xdata[0] IndexError: index 0 is out of bounds for axis 0 with size 0

tensorflow-gpu 1.9.0
python 3.6.8