Please check your settings( i.e: Api keys, Max token etc.). Depending on the model (GPT3 was maximum 4000 other is 1,951 ) used, requests can use up to 4097 tokens shared between prompt and completion. If your prompt is 4000 tokens, your completion can be 97 tokens at most. Also check the dialogflow is inactive. Dialogflow and open ai does not work together.
