Telegram crashes tensorflow model

[sword134]

Hello,
I recently installed knockknock and I am using it with the telegram functionality. It works and sends me messages, however when my tensorflow model is done training, knockknock crashes the entire process with the below error (taken from the telegram message received):

Your training has crashed ☠️
Machine name: TomasPC
Main call: auto_train_ML_model
Starting date: 2020-07-10 23:32:02
Crash date: 2020-07-10 23:51:43
Crashed training duration: 0:19:40.329927


Here's the error:
nan


Traceback:
Traceback (most recent call last):
  File "D:\Anaconda\envs\tf-gpu\lib\site-packages\knockknock\telegram_sender.py", line 55, in wrapper_sender
    value = func(*args, **kwargs)
  File "d:\AutoKerasProject\AutoKeras. AutoModel. Time Series. Timeseriesgenerator.py", line 125, in auto_train_ML_model
    print(y_train)
  File "D:\Anaconda\envs\tf-gpu\lib\site-packages\autokeras\auto_model.py", line 444, in evaluate
    dataset = self._process_xy(x, y, False)
  File "D:\Anaconda\envs\tf-gpu\lib\site-packages\autokeras\auto_model.py", line 307, in _process_xy
    y = self._adapt(y, fit, self._heads, self._output_adapters)
  File "D:\Anaconda\envs\tf-gpu\lib\site-packages\autokeras\auto_model.py", line 275, in _adapt
    source = adapter.transform(source)
  File "D:\Anaconda\envs\tf-gpu\lib\site-packages\autokeras\engine\adapter.py", line 88, in transform
    return self.convert_to_dataset(dataset)
  File "D:\Anaconda\envs\tf-gpu\lib\site-packages\autokeras\adapters\output_adapter.py", line 101, in convert_to_dataset
    dataset = self.label_encoder.encode(dataset)
  File "D:\Anaconda\envs\tf-gpu\lib\site-packages\autokeras\encoders.py", line 128, in encode
    data))).reshape(-1, 1)
  File "D:\Anaconda\envs\tf-gpu\lib\site-packages\autokeras\encoders.py", line 127, in <lambda>
    return np.array(list(map(lambda x: self._label_to_int[x],
KeyError: nan