Error from server (BadRequest): previous terminated container

Hello, I have a cluster running in AKS. Under One Pod I have two containers. When I describe the Pod I can see both Pods are created 15 days ago and 0 restart count However, I can see 15 days log for One container and only 2 days log for another container. I can confirm that there is no log rotation or anything setup. I want to know How What is the reason I missing and How Can I get those logs