------------------------------------[ 23.06.2021 15:53:16 ]-----------------------------------
SkyWars 1.0.0 encountered a FoException
Running Paper 1.16.4-R0.1-SNAPSHOT and Java 11.0.9
Plugins: LuckPerms v5.3.21, EffectLib v6.5-SNAPSHOT, WorldEdit v7.2.0+a51fa43, VoidGenerator v1.6.2, PlaceholderAPI v2.10.9, Multiverse-Core v4.2.2-b812, ProtocolLib v4.6.0-SNAPSHOT-b483, SkyWars v1.0.0, Citizens v2.0.27-SNAPSHOT (build 2190)
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More Information:
Task ArenaCountdownEnd{20, id=7092} already scheduled!
FoException Report: Task ArenaCountdownEnd{20, id=7092} already scheduled!
	 at games.coob.skywars.lib.fo.Valid.checkBoolean(Valid.java:81)
	 at games.coob.skywars.lib.fo.model.Countdown.launch(Countdown.java:130)
	 at games.coob.skywars.model.Arena.startEndCountdown(Arena.java:754)
	 at games.coob.skywars.model.ArenaHeartbeat.onEnd(ArenaHeartbeat.java:71)
	 at games.coob.skywars.model.solo.SoloHeartbeat.onEnd(SoloHeartbeat.java:43)
	 at games.coob.skywars.lib.fo.model.Countdown.run(Countdown.java:89)
	 at org.bukkit.craftbukkit.v1_16_R3.scheduler.CraftTask.run(CraftTask.java:99)
	 at org.bukkit.craftbukkit.v1_16_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:468)
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