Remwove the Displayname of players

[tribal seal]

So im trying to remove the displayname of the player and when i run my code the error message"The current thread cannot set 'Player's display name' (lacking capability WritePlayer)" pops up and i dont konw what i should change

[potent cipher]

** You are now Level 2! **

[marsh grail]

https://create.roblox.com/docs/reference/engine/classes/Humanoid#DisplayDistanceType

set to none

[cloud bobcat]

script please