Error answering question, AssertionError: filter excludes all tags

[xldistance]

Traceback (most recent call last):
  File "E:\Langchain-Chatchat\glut\lib\site-packages\waitress\channel.py", line 428, in service
    task.service()
  File "E:\Langchain-Chatchat\glut\lib\site-packages\waitress\task.py", line 168, in service
    self.execute()
  File "E:\Langchain-Chatchat\glut\lib\site-packages\waitress\task.py", line 456, in execute
    for chunk in app_iter:
  File "E:\Langchain-Chatchat\glut\lib\site-packages\werkzeug\wsgi.py", line 256, in __next__
    return self._next()
  File "E:\Langchain-Chatchat\glut\lib\site-packages\werkzeug\wrappers\response.py", line 32, in _iter_encoded
    for item in iterable:
  File "E:\Langchain-Chatchat\glut\lib\site-packages\flask\helpers.py", line 115, in generator
    yield from gen
  File "E:\Langchain-Chatchat\backend\sessions.py", line 456, in generate
    chunk, eos, tokens = generator.stream()
  File "E:\Langchain-Chatchat\glut\lib\site-packages\exllamav2\generator\streaming.py", line 143, in stream
    next_token, eos = self._gen_single_token(self.settings)
  File "E:\Langchain-Chatchat\glut\lib\site-packages\exllamav2\generator\streaming.py", line 309, in _gen_single_token
    token, _, eos = ExLlamaV2Sampler.sample(logits, gen_settings, self.sequence_ids, random.random(), self.tokenizer, prefix_token)
  File "E:\Langchain-Chatchat\glut\lib\site-packages\exllamav2\generator\sampler.py", line 129, in sample
    assert pass_tokens, "Filter excluded all tokens"
AssertionError: Filter excluded all tokens