Issue ; In one level , Level Sequencer stuck at the first frame when it is triggered.
Steps ; I created a levelsequencer, add a shot track and inside that i created camera cut tract. Duration is 5 sec and i set a basic camera transform .
When my custom game mode, I trigger the sequencer and it is opened but stuck at the frist frame. Can not jump to the second frame.
I change the player character ( I was using a child of player character and i switch to parent one) , it works.
I change game mode but I use the child character , it works 
I use completly different game mode and set up, it works
I tried to track down the issue via Visual Studio and when i open the .sln file, there is a error "
Hata (etkin) E1696 kaynak dosyası “MovieSceneSequencePlayer.gen.cpp” açılamıyor E:\UnrealEngineEditors\UE_5.2\Engine\Source\Runtime\MovieScene\Private E:\UnrealEngineEditors\UE_5.2\Engine\Source\Runtime\MovieScene\Private\MovieSceneSequencePlayer.cpp 26 IntelliSense " (meaning MSSP.gen.cpp can not be opened) but no idea why.)
I will be really really glad if you have any idea what causes this and how to tweak and fix ,thank you