# The 5 memory problems for agents

You ship an agent. It works well in the demo. Users start using it daily. After a week, someone asks: "Why did you suggest the same thing you suggested on Monday? I told you that didn't work." Your agent has no answer because it has no memory of Monday. Or worse, it has a memory of Monday but no idea that Monday's approach failed. This is the problem that shows up in every long-running agent system, and it is not a retrieval problem. Your vector search works fine. Your RAG pipeline returns relev