[09:12:39] [Craft Scheduler Thread - 4/INFO]: [LiquidSafeVanilla] Finished booklet write task.
[09:12:39] [Craft Scheduler Thread - 1/INFO]: [LiquidSafeVanilla] Running Booklet Read Task...
[09:12:39] [Craft Scheduler Thread - 1/WARN]: [LiquidSafeVanilla] Plugin LiquidSafeVanilla v1.13.2-SNAPSHOT-$BUILD_NUMBER generated an exception while executing task 57
java.lang.IllegalArgumentException: Collection is empty
	at java.util.EnumSet.copyOf(Unknown Source) ~[?:1.8.0_202]
	at com.ecocitycraft.lsvanilla.util.Booklet.fillEmptyBookletSlots(Booklet.java:40) ~[?:?]
	at com.ecocitycraft.lsvanilla.runnables.BookletDBRead.lambda$run$1(BookletDBRead.java:38) ~[?:?]
	at java.util.HashMap.forEach(Unknown Source) ~[?:1.8.0_202]
	at com.ecocitycraft.lsvanilla.runnables.BookletDBRead.run(BookletDBRead.java:38) ~[?:?]
	at org.bukkit.craftbukkit.v1_13_R2.scheduler.CraftTask.run(CraftTask.java:82) ~[patched_1.13.2.jar:git-Paper-570]
	at org.bukkit.craftbukkit.v1_13_R2.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:52) ~[patched_1.13.2.jar:git-Paper-570]
	at com.destroystokyo.paper.ServerSchedulerReportingWrapper.run(ServerSchedulerReportingWrapper.java:22) ~[patched_1.13.2.jar:git-Paper-570]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) [?:1.8.0_202]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) [?:1.8.0_202]
	at java.lang.Thread.run(Unknown Source) [?:1.8.0_202]