[15:15:57 WARN]: [MagicCosmetics] Task #4088 for MagicCosmetics v1.8.3-SNAPSHOT generated an exception
java.util.ConcurrentModificationException: null
        at java.util.HashMap$HashIterator.nextNode(HashMap.java:1597) ~[?:?]
        at java.util.HashMap$ValueIterator.next(HashMap.java:1625) ~[?:?]
        at com.francobm.magicosmetics.f.IIllIIlIllIIlIlllIIllIIIllIIIllIlIIlIIIllIIlllIIllIllIlIIlllIIlllIlIlIIlllIIlllIIIllIIllIIlIIIllIIIlllIIIllIllIIIlllIIllIllIlllIIIllIIIllIIlIlIIllIIlIIIlllIIllIIllIllIlllIIIlIIlIIIlIIllIlIIllIlllIlIIIllIIIlIIIllIIIlIlIllIIllIlIll$1.run(CosmeticsManager.java:45) ~[MagicCosmetics-1.8.3 (1).jar:?]
        at org.bukkit.craftbukkit.v1_18_R2.scheduler.CraftTask.run(CraftTask.java:101) ~[paper-1.18.2.jar:git-Paper-333]
        at org.bukkit.craftbukkit.v1_18_R2.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:483) ~[paper-1.18.2.jar:git-Paper-333]
        at net.minecraft.server.MinecraftServer.tickChildren(MinecraftServer.java:1531) ~[paper-1.18.2.jar:git-Paper-333]
        at net.minecraft.server.dedicated.DedicatedServer.tickChildren(DedicatedServer.java:483) ~[paper-1.18.2.jar:git-Paper-333]
        at net.minecraft.server.MinecraftServer.tickServer(MinecraftServer.java:1455) ~[paper-1.18.2.jar:git-Paper-333]
        at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1225) ~[paper-1.18.2.jar:git-Paper-333]
        at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:315) ~[paper-1.18.2.jar:git-Paper-333]
        at java.lang.Thread.run(Thread.java:833) ~[?:?]