java.util.ConcurrentModificationException: null
[14:23:36 WARN]: [React] Plugin React v6.613 generated an exception while executing task 5480
	at java.util.HashMap$HashIterator.nextNode(Unknown Source) ~[?:1.8.0_191]
	at java.util.HashMap$KeyIterator.next(Unknown Source) ~[?:1.8.0_191]
	at primal.lang.collection.GList.<init>(GList.java:87) ~[?:?]
	at org.bukkit.craftbukkit.v1_14_R1.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:54) ~[patched_1.14.4.jar:git-Paper-153]
	at primal.lang.collection.GMap.k(GMap.java:122) ~[?:?]
	at com.destroystokyo.paper.ServerSchedulerReportingWrapper.run(ServerSchedulerReportingWrapper.java:22) ~[patched_1.14.4.jar:git-Paper-153]
	at com.volmit.react.controller.EntityCullController$1.run(EntityCullController.java:145) ~[?:?]
	at org.bukkit.craftbukkit.v1_14_R1.scheduler.CraftTask.run(CraftTask.java:84) ~[patched_1.14.4.jar:git-Paper-153]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) [?:1.8.0_191]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) [?:1.8.0_191]
	at java.lang.Thread.run(Unknown Source) [?:1.8.0_191]
net.minecraft.server.v1_14_R1.CancelledPacketHandleException: null
[14:23:37 WARN]: [BossShopPro] Plugin BossShopPro v2.0.8 generated an exception while executing task 5887