OnPhotonPlayerActivityChanged called Twice.

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Hello

In my Case Four Player Of Room and game Is running than player left one by one and last player won.
First time its working fine. But when I matchmaking of those player again and than One Player left so all three player Won because of wrong response in OnPhotonPlayerActivityChanged .In Remaining three player OnPhotonPlayerActivityChanged called Three times and Two times and one times vice versa.

after Left room Is there any unsubscribe event from Punbehaviour or any other thing?