Llm_command_generator.llm.error error=InvalidRequestError(message='The model `gpt-4` does not exist or you do not have access to it.'

ive set the open ai key properly, rasa shell runs properly but when i start interacting with the bot its giving me this error

Your input → i want to sent money
2024-10-09 07:24:59 INFO openai - error_code=model_not_found error_message=‘The model gpt-4 does not exist or you do not have access to it.’ error_param=None error_type=invalid_request_error message=‘OpenAI API error received’ stream_error=False 2024-10-09 07:24:59 ERROR rasa.utils.log_utils - [error ] llm_command_generator.llm.error error=InvalidRequestError(message=‘The model gpt-4 does not exist or you do not have access to it.’, param=None, code=‘model_not_found’, http_status=404, request_id=None) Sorry, I am having trouble with that. Please try again in a few minutes. Your input →