Compilation error (line 1, col 7): The type or namespace name 'UnityEngine' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 3, col 23): The type or namespace name 'MonoBehaviour' could not be found (are you missing a using directive or an assembly reference?)
Compilation error (line 4, col 9): The type or namespace name 'AttackBehaviour' could not be found (are you missing a using directive or an assembly reference?)