what is wrong with this statement!

ohhhhhhh I see where I messed up now... yeah thank you Marco... I'm making a Tetris program for an oled and its my first time using arrays... and ive been programing since I was 8 (14 now) ive been avoiding them... thank you so much this has helped me a lot I have the first block line done!... ill probably post it somewhere when I'm all done with it.