Few Bugs Fixed

modules/ExpGamingCore/Sync/src/ranking.lua

@@ -37,7 +37,7 @@ if Sync.add_to_gui then
 end
 
 -- adds a discord emit for rank chaning
-script.on_event('rank_change',function(event)
+script.on_event('on_rank_change',function(event)
     local rank = Ranking.get_rank(event.new_rank)
     local player = Game.get_player(event)
     local by_player_name = Game.get_player(event.by_player_index) or '<server>'