21.02 23:00:51 [Server] WARN [WaterWayCore] Task #19987163 for WaterWayCore v1.0 generated an exception
21.02 23:00:51 [Server] INFO java.util.ConcurrentModificationException
21.02 23:00:51 [Server] INFO at java.util.HashMap$HashIterator.nextNode(HashMap.java:1442) ~[?:1.8.0_191]
21.02 23:00:51 [Server] INFO at java.util.HashMap$EntryIterator.next(HashMap.java:1476) ~[?:1.8.0_191]
21.02 23:00:51 [Server] INFO at java.util.HashMap$EntryIterator.next(HashMap.java:1474) ~[?:1.8.0_191]
21.02 23:00:51 [Server] INFO at com.waterway.core.handlers.autosell.a$1.run(error:257) ~[?:?]
21.02 23:00:51 [Server] INFO at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[spigot-1.8.8.jar:git-Spigot-21fe707-e1ebe52]
21.02 23:00:51 [Server] INFO at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [spigot-1.8.8.jar:git-Spigot-21fe707-e1ebe52]
21.02 23:00:51 [Server] INFO at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:723) [spigot-1.8.8.jar:git-Spigot-21fe707-e1ebe52]
21.02 23:00:51 [Server] INFO at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:374) [spigot-1.8.8.jar:git-Spigot-21fe707-e1ebe52]
21.02 23:00:51 [Server] INFO at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:654) [spigot-1.8.8.jar:git-Spigot-21fe707-e1ebe52]
21.02 23:00:51 [Server] INFO at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:557) [spigot-1.8.8.jar:git-Spigot-21fe707-e1ebe52]
21.02 23:00:51 [Server] INFO at java.lang.Thread.run(Thread.java:748) [?:1.8.0_191]