[09:47:27 INFO]: voky01 lost connection: Disconnected
[09:47:27 WARN]: [Quests] Task #18 for Quests v2.1.1 generated an exception
java.util.ConcurrentModificationException: null
        at java.util.HashMap$HashIterator.nextNode(HashMap.java:1442) ~[?:1.8.0_162]
        at java.util.HashMap$ValueIterator.next(HashMap.java:1471) ~[?:1.8.0_162]
        at com.leonardobishop.quests.Quests$3.run(Quests.java:197) ~[?:?]
        at org.bukkit.craftbukkit.v1_13_R2.scheduler.CraftTask.run(CraftTask.java:82) ~[patched_1.13.2.jar:git-Paper-498]
        at org.bukkit.craftbukkit.v1_13_R2.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:449) ~[patched_1.13.2.jar:git-Paper-498]
        at net.minecraft.server.v1_13_R2.MinecraftServer.b(MinecraftServer.java:1003) ~[patched_1.13.2.jar:git-Paper-498]
        at net.minecraft.server.v1_13_R2.DedicatedServer.b(DedicatedServer.java:439) ~[patched_1.13.2.jar:git-Paper-498]
        at net.minecraft.server.v1_13_R2.MinecraftServer.a(MinecraftServer.java:938) ~[patched_1.13.2.jar:git-Paper-498]
        at net.minecraft.server.v1_13_R2.MinecraftServer.run(MinecraftServer.java:836) ~[patched_1.13.2.jar:git-Paper-498]
        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_162]