KeyError: 'sd_model_checkpoint'

[nothingness6]

Since I launched main.py, it gave me the following error messages:

Warning: Using default profile config for Knollingcase
Traceback (most recent call last):
  File "p:\AI_Tools\ebook-diffuser-master\main.py", line 8, in <module>
    knollingcase.generate_ebook()
  File "p:\AI_Tools\ebook-diffuser-master\ebook_difusser.py", line 76, in generate_ebook
    if self.sd.model != self.get_working_model():
  File "p:\AI_Tools\ebook-diffuser-master\ebook_difusser.py", line 51, in get_working_model
    return self.api.get_options()["sd_model_checkpoint"]
KeyError: 'sd_model_checkpoint'