Welcome to the community.
See and follow the instructions in this post: "Wemod failed loading the cheats into your game" / "We’re having trouble downloading the cheats" - #2 by Ravenfyre.
Otherwise - You have not provided us with enough information, such as:
- What game(s) you’re playing.
- Where you got the game(s) from.
- What game mode you are attempting to cheat in.