Faiss

langchain.chains.ConversationalRetrievalChain() fails with FAISS store Tried to wire ConversationalRetrievalChain with a FAISS vector store. The constructor crashed. ValueError: Provided embeddings are incompatible with stored index dimension Embeddings built with sentence-transformers/all-MiniLM-L6-v2, dim 384. LangChain 0.0.286, faiss‑cpu 1.7.4, Python 3.11 on macOS.