Weaning is a process that's both physical and emotional. My guess is that your baby has a lingering emotional need for some comforting. Have you spotted wild bird family groups with an almost-grown youngster following a parent 'til he gets fed a little? You might try finger-feeding Sammy a little bit of warm comfort food -- maybe a few pellets or tiny pieces of banana or mango soaked in warm water 5-6 seconds, or small globs of mashed sweet potato.
These developmental stages are usually very fleeting. He just needs reassurance that IF he needs you, you're willing. Once you prove willing, his need will be quickly satisfied. If it happens at the same time each evening (or whenever it's happening), you might anticipate his need and give him a little comfort feeding before he cries. After 3-4 days/nights of this, let him tell you if he needs it again. He probably won't
Paca