Produced aircraft are not going into pool

[DWatson60]

Been a long time since I played but updated my game to version 10.06.91 beta and the FW 190 MOD. I have been able to begin production of the He 219s in mid-September 1943 and at this point have produced 120. Problem: none of the aircraft are going into the aircraft pool, thus preventing me from changing aircraft to the He 219 for night fighter units. The game is not updating any units to the He 219 on its on. There are stockpiles of engines (275) and parts (176) to support production.

Question: How do I have the game place the aircraft, once produced, to be put into the aircraft pool?

Concerns, the He 219 was advanced in production due to research and development, from Jan 44 introduction to Sep 1943 production. If advance aircrafts are developed and begin being produced prior to their historical introduction time, will these aircraft sit in the produced category and not placed the the aircraft pool?

I'm testing this with the Fw 190 D-9 and the same result is occurring, being produced but not being placed in its aircraft pool.

thank you

[Orm]

Just checking: are you producing airframes? You mentioned stocks of engines, and parts, but didn't mention the airframes needed to produce the aircraft.