Fix BadRequestError

✅ Solution

BadRequestError in Langchain often arises from exceeding the token limit of the chosen language model or providing incorrectly formatted API requests. Resolve this by shortening the input text, adjusting max_tokens in your ChatOpenAI/ChatAnthropicVertex constructor, or verifying that your prompts and API calls adhere to the model's expected input format. If using an agent, refine the prompt to encourage concise reasoning.