hi i am hosting a server with my friends so i can troll them and us this script it works fine when i do single player and online but when i host my own server i always get the same error like i get in the server fine but then only some of the scripts work but not all like my aimbot works but not the wall hack or esp or bhop and others and the error spams my console here is the error plz help me thank you

[ERROR] RunString:32: Tried to use a NULL entity!
1. GetMoveType - [C]:-1
2. v - RunString:32
3. unknown - lua/includes/modules/hook.lua:84