Evo has disappeared

Hi i’ve use the new evo for defense stats thats in “training camp” for 20k coins ,  once i put my player I waited for 12 min then once I entered the application it’s crashed then the evo has disappear , please help me out everytime there is an issue alot of bugs happen to me and i pass it by saying u will solve it by updates but now when i wait all that time for that evo stats then happen bugs like that im not getting comfortable in the game , please help me out