[19:11:07] [Craft Scheduler Thread - 5 - MysteryBoxes/WARN]: [MysteryBoxes] Plugin MysteryBoxes v1.21.08 generated an exception while executing task 41
java.lang.NullPointerException: Cannot invoke "java.util.Map$Entry.getValue()" because the return value of "java.util.NavigableMap.higherEntry(Object)" is null
	at MysteryBoxes-1.21.08-release.jar/com.xericker.mysteryboxes.compiled.xerlib.libs.RandomCollection.next(RandomCollection.java:35) ~[MysteryBoxes-1.21.08-release.jar:?]
	at MysteryBoxes-1.21.08-release.jar/com.xericker.mysteryboxes.core.events.opening.loots.LootHandler.rollRandomLoots(LootHandler.java:56) ~[MysteryBoxes-1.21.08-release.jar:?]
	at MysteryBoxes-1.21.08-release.jar/com.xericker.mysteryboxes.menus.menus.openboxes.MenuOpenBoxes.getBoxes(MenuOpenBoxes.java:75) ~[MysteryBoxes-1.21.08-release.jar:?]
	at MysteryBoxes-1.21.08-release.jar/com.xericker.mysteryboxes.menus.menus.openboxes.MenuOpenBoxes.build(MenuOpenBoxes.java:104) ~[MysteryBoxes-1.21.08-release.jar:?]
	at MysteryBoxes-1.21.08-release.jar/com.xericker.mysteryboxes.menus.menubuilders.MenuBuilder.update(MenuBuilder.java:81) ~[MysteryBoxes-1.21.08-release.jar:?]
	at MysteryBoxes-1.21.08-release.jar/com.xericker.mysteryboxes.menus.MenuTask.run(MenuTask.java:21) ~[MysteryBoxes-1.21.08-release.jar:?]
	at org.bukkit.craftbukkit.scheduler.CraftTask.run(CraftTask.java:86) ~[paper-1.21.1.jar:1.21.1-131-84281ce]
	at org.bukkit.craftbukkit.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:57) ~[paper-1.21.1.jar:1.21.1-131-84281ce]
	at com.destroystokyo.paper.ServerSchedulerReportingWrapper.run(ServerSchedulerReportingWrapper.java:22) ~[paper-1.21.1.jar:?]
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[?:?]
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[?:?]
	at java.base/java.lang.Thread.run(Thread.java:1570) ~[?:?]