»[Skywars] Invisible Guy in Skywars Hacker?

(First After Reading this post read this two notes pls:
Note 1: I was using the Better PVP Mod Lite (it dont show players dont auto sprint etc...)
(only minimap and waypoints activated)
Note 2: IDK if this is hack or bug ok there is the report:
Name of offender:Felixking02
Name of offense:Hacking
Server:Skywars
Date and time:05/03/2016 08:41
Evidence:

 

Whats your in game name?
@Elphios

 

im Pokefan5000

 

Im not really sure if that mod is allowed though. It does show you if someone is coming or not towards you...

 

ok, if the mod is not allowed i can disable it.

 

try to get information if this mod is allowed here, and if the mod is not allowed tell me and I disable it

 

only get the mods that are not allowed here and i disable the mods:
i have these mods:
Better PVP mod Lite
Not Enough Items
Optifine
which of these mods are not allowed and i disable it