#10135
invalid_argument_error
Invalid response received: Ensure that multiturn requests alternate between user and model for proper processing.
This error has been identified and solved.
Reason
The 400 Bad Request error you are encountering, specifically with the message "Please ensure that multiturn requests alternate between user and model," indicates that the format of your history node in the request is not correct for a multi-turn conversation.
This error occurs because the history node you provided does not alternate between user and model turns as required. The API expects a sequence where each turn is represented by an object with a Role property set to either "user" or "model", and these turns should alternate between the user and the model in the conversation history.
In essence, the API is rejecting the request due to a client error where the request does not meet the expected format for multi-turn conversations.
Solution
To fix the 400 Bad Request error in your Google API requests for multi-turn conversations, you need to ensure that the conversation history alternates between user and model turns correctly. Here are the key steps to correct this:
Alternating Turns: Ensure each turn in the conversation history is alternately marked as either "user" or "model".
Correct Role Assignment: Verify that each message in the history has a
roleproperty set to either "user" or "model".Sequential Order: Maintain the sequential order where a user turn is followed by a model turn, and so on.
Tool Responses Integration: If using tool calls, integrate the tool responses correctly within the conversation history, ensuring they are part of the alternating sequence.
By following these guidelines, you can ensure your multi-turn requests are formatted correctly for proper processing by the API.
