The positive class specified `baseball` is not found among the classes in the validation file [' hockey', ' baseball']. Fine-tune failed. For help, please contact OpenAI and include your fine-tune ID

openai api fine_tunes.create -t "sport2_prepared_train.jsonl" -v "sport2_prepared_valid.jsonl" --compute_classification_metrics --classification_positive_class "baseball" -m ada

에서...github에서는

- The completion should start with a whitespace character (` `). This tends to produce better results due to the tokenization we use. See https://beta.openai.com/docs/guides/fine-tuning/preparing-your-dataset for more details

completion 앞에 한칸 띄우라고 되어 있고, 파일도 그렇게 만들어졌는데,

위 프롬프트에서 baseball 띄어쓰기 안해서 문제인가...

띄어쓰기 하면 되긴 하는데...흠...