experiment_conflict

What happened

The workspace's live experiments do not allow this create.

Why it usually happens

• A live (starting or running) experiment already measures the same metric on the same scope (same page_url, or the same platform, account and campaign set).
• The workspace already has 50 live experiments created through the API.
• The insight's current application already has an experiment. Re-apply the insight to measure it again.

How to fix

• Call list_experiments (or GET /experiments) with status=running or insight_id to find the live experiment.
• Do not retry the same create: it fails the same way until the live experiment ends.

Envelope

{
  "error": {
    "code": "experiment_conflict",
    "message": "Cannot create this experiment: a live experiment already measures landing_signup_rate on this scope.",
    "doc_url": "https://docs.fullvision.io/errors/experiment_conflict",
    "trace_id": "tr_01HXYZ..."
  }
}