tour

im on the second to last tour and you climb up the tallest building but everytime i get to the polls it glitches me so i cant see myself then gives me a black screen that i was sat on for half an hour i reloaded the game did it agin so i tried again and it keeps doing it and not even just that the whole game itself is buggy to the point i cant wvem play with my friend and do the missions please sort this stupid bug out