DataStax Astra DB: NAMESPACE_DOES_NOT_EXIST on default_keyspace
[langflow-ai/langflow issue]: the Data API call is pointed at a namespace that was never created in that database. Confirm the keyspace exists in the Astra DB console for that database, and that the app's namespace setting matches it exactly. A frequent cause in integrations is the app defaulting to default_keyspace while the database was created with a different keyspace. Token role does not fix this: an Organization Administrator token still fails when the namespace is missing.
Context: The Data API returns errors with errorCode NAMESPACE_DOES_NOT_EXIST and message Unknown namespace default_keyspace, you must create it first.Maintainer review
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