fix

ygopro-server.coffee

@@ -3457,7 +3457,7 @@ if settings.modules.mycard.enabled
     )
     
     if settings.modules.arena_mode.punish_quit_before_match
-      async.each(ROOM_all.filter((room) ->
+      _async.each(ROOM_all.filter((room) ->
         return room and room.arena and room.duel_stage == ygopro.constants.DUEL_STAGE.BEGIN and room.get_playing_player().length < 2
       ), (room, done) ->
         player = room.get_playing_player()[0]

ygopro-server.js

@@ -4431,7 +4431,7 @@
         done();
       });
       if (settings.modules.arena_mode.punish_quit_before_match) {
-        async.each(ROOM_all.filter(function(room) {
+        _async.each(ROOM_all.filter(function(room) {
           return room && room.arena && room.duel_stage === ygopro.constants.DUEL_STAGE.BEGIN && room.get_playing_player().length < 2;
         }), function(room, done) {
           var player, waited_time;