bnpc

WARN Task #309 for BungeeNPC v1.17.3 generated an exception
23.06 11:58:00 [Server] INFO java.util.ConcurrentModificationException
23.06 11:58:00 [Server] INFO at java.util.HashMap$HashIterator.nextNode(HashMap.java:1437) ~[?:1.8.0_131]
23.06 11:58:00 [Server] INFO at java.util.HashMap$KeyIterator.next(HashMap.java:1461) ~[?:1.8.0_131]
23.06 11:58:00 [Server] INFO at java.lang.Iterable.forEach(Iterable.java:74) ~[?:1.8.0_131]
23.06 11:58:00 [Server] INFO at me.mrmaurice.bnpc.hologram.own.Hologram.delete(Hologram.java:116) ~[?:?]
23.06 11:58:00 [Server] INFO at me.mrmaurice.bnpc.hologram.own.Hologram.update(Hologram.java:213) ~[?:?]
23.06 11:58:00 [Server] INFO at me.mrmaurice.bnpc.hologram.own.Hologram.setLines(Hologram.java:87) ~[?:?]
23.06 11:58:00 [Server] INFO at me.mrmaurice.bnpc.hologram.HoloOwn.setText(HoloOwn.java:29) ~[?:?]
23.06 11:58:00 [Server] INFO at me.mrmaurice.bnpc.npcs.NBungee.updateHolo(NBungee.java:114) ~[?:?]
23.06 11:58:00 [Server] INFO at me.mrmaurice.bnpc.npcs.NBungee.lambda$0(NBungee.java:240) ~[?:?]
23.06 11:58:00 [Server] INFO at org.bukkit.craftbukkit.v1_11_R1.scheduler.CraftTask.run(CraftTask.java:71) ~[Spigot.jar:git-Spigot-3fb9445-6e3cec8]
23.06 11:58:00 [Server] INFO at org.bukkit.craftbukkit.v1_11_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:353) [Spigot.jar:git-Spigot-3fb9445-6e3cec8]
23.06 11:58:00 [Server] INFO at net.minecraft.server.v1_11_R1.MinecraftServer.D(MinecraftServer.java:738) [Spigot.jar:git-Spigot-3fb9445-6e3cec8]
23.06 11:58:00 [Server] INFO at net.minecraft.server.v1_11_R1.DedicatedServer.D(DedicatedServer.java:399) [Spigot.jar:git-Spigot-3fb9445-6e3cec8]
23.06 11:58:00 [Server] INFO at net.minecraft.server.v1_11_R1.MinecraftServer.C(MinecraftServer.java:678) [Spigot.jar:git-Spigot-3fb9445-6e3cec8]
23.06 11:58:00 [Server] INFO at net.minecraft.server.v1_11_R1.MinecraftServer.run(MinecraftServer.java:576) [Spigot.jar:git-Spigot-3fb9445-6e3cec8]
23.06 11:58:00 [Server] INFO at java.lang.Thread.run(Thread.java:748) [?:1.8.0_131]