I cant connect APM 2.5 to Mission planner HITL mode. Why?

Hi everyone, I cant connect APM 2.5 with Mission Planner in HIL mode or SITL mode. why?

message error says : Connection failed.

I have set 127.0.0.1 at xplane10 , send port 49001, receive port 49000

Please I need some help.
thanks

Apm has not been supported for almost 8 years now.

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You need a new Flight Controller. There are many supported boards to choose from:
Choosing an Autopilot

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