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Troubleshooting and FAQ

This page addresses frequently asked questions and common troubleshooting topics for Langfuse Evaluation.

If you don't find a solution to your issue here, try using Ask AI for instant answers. For bug reports, please open a ticket on GitHub Issues. For general questions or support, visit our support page.

FAQ

Can I add dataset items to an annotation queue?
Can I cancel a running experiment?
Can I get notified when a score drops?
How 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 code evaluators fail with "Code eval dispatcher is not configured"?
Why do observation lookups with the v3 SDK return 404?
Why is my observation-level evaluator not executing?

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Last edited

Lotte VerheydenLotte Verheyden
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