![javascript - Is this problem being caused by the router not being ready? router.query is undefined - Stack Overflow javascript - Is this problem being caused by the router not being ready? router.query is undefined - Stack Overflow](https://i.stack.imgur.com/byFny.png)
javascript - Is this problem being caused by the router not being ready? router.query is undefined - Stack Overflow
Anil Chandra Naidu Matcha on X: "6th lesson in @llama_index course is out now We discuss 1. Router Query Engine 2. Retriever Router Query Engine 3. Joint QA Summary Query Engine 4.
![Erika Cardenas on X: "Here are 4 RAG techniques implemented in @llama_index 🦙 1. SQL Router Query Engine: Query router that can reference your vector database or SQL database 2. Sub Question Erika Cardenas on X: "Here are 4 RAG techniques implemented in @llama_index 🦙 1. SQL Router Query Engine: Query router that can reference your vector database or SQL database 2. Sub Question](https://pbs.twimg.com/media/F6Z-C87XwAA-DPB.jpg)