Simulate button playing MasterSequence and not 3rd person


This is driving me crazy. When I hit the Simulate button my master sequence keeps playing but I want to start in 3rd person mode. I have set all my project settings to 3rd person (Gamemode etc) but nothing works. I can see my 3rd person character appear and drop to the ground but then nothing…I never possess them. I have set my auto receive input to Player 0 on both PlayerStart and the 3rd Person character but still nothing!?

Any ideas/thoughts out there??

EDIT: so i unclicked Auto Bind to PIE and Auto Bind to Simulate which stops the viewport playing my sequence when I click Simulate, but still not possessing my character and can see all the sunlight moving from the various tracked keyframes across my various shots.