6 articles
RSSHow to fix Langfuse errors — Python/JS SDK init, trace/span/generation hierarchy, LangChain CallbackHandler, OpenAI wrapper, missing usage/cost data, prompt management, and self-hosted Postgres setup.
How to fix DSPy errors — no LM configured, signature field types, ChainOfThought vs Predict, optimizer (MIPROv2) setup, retrieval module wiring, async usage, and cache invalidation between runs.
How to fix Python Instructor errors — ValidationError loops, max_retries exhausted, mode=Mode.TOOLS vs JSON, partial streaming type errors, Anthropic and Gemini client patching, token usage tracking.
How to fix LiteLLM errors — BadRequestError model not found, missing API key env vars, streaming chunk differences, fallback model not triggering, async drop_params, and proxy server 401.
How to fix Whisper errors — FFmpeg not found audio file load failed, CUDA out of memory on large model, slow CPU transcription, language detected incorrectly, hallucinations on silence, faster-whisper migration, and timestamp accuracy.
How to fix OpenAI API errors — RateLimitError (429), AuthenticationError (401), APIConnectionError, context length exceeded, model not found, and SDK v0-to-v1 migration mistakes.