Nobody can tell you anything without proper system info or other technical details like version of AE, comp settings and so on. Just saying that it doesn't work is not good enough.
its after effects cc 2015 element 3d v2.2 and 16 gb ram
4gb nvidia geforve 980m graphic card windows 10 os
Your post isn't enough info so far.
Also, in the future, could you please do a proper screenshot instead of taking a sideways photo with your phone? On a Windows system you can do it with the Print Screen button on your keyboard.