service · inferred from evidence
CreateKnowledgeBase
A service or API call explicitly mentioned as part of the error and solution.
- ValidationException: The OpenSearch Serverless engine type associated with your vector index is invalid.
Recreate the OpenSearch Serverless vector index with "engine": "faiss" instead of "nmslib" in the storage configuration, then retry the CreateKnowledgeBase call. FAISS is the only accepted engine type now.