Copy pageFAQ: EvaluationHow do I upgrade trace-level evaluators to observation-level evaluators?How do I work with the observations table in Langfuse v4?How to create and manage Score Configs in Langfuse?How to retrieve experiment scores via UI or API/SDK?How to use Langfuse-hosted Evaluators on Dataset Runs?I have setup Langfuse, but I do not see any traces in the dashboard. How to solve this?What are scores in Langfuse and when should I use them?Why do observation lookups with the v3 SDK return 404?Why is my observation-level evaluator not executing?Ask another questionWas this page helpful?GoodBadSupport