java.lang.IllegalStateException: InventoryOpenEvent cannot be triggered asynchronously from another thread.
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:511) ~[spigot-1.14.3.jar:git-Spigot-5e4e7f3-2349feb]
	at org.bukkit.craftbukkit.v1_14_R1.event.CraftEventFactory.callInventoryOpenEvent(CraftEventFactory.java:1079) ~[spigot-1.14.3.jar:git-Spigot-5e4e7f3-2349feb]
	at org.bukkit.craftbukkit.v1_14_R1.event.CraftEventFactory.callInventoryOpenEvent(CraftEventFactory.java:1065) ~[spigot-1.14.3.jar:git-Spigot-5e4e7f3-2349feb]
	at org.bukkit.craftbukkit.v1_14_R1.entity.CraftHumanEntity.openCustomInventory(CraftHumanEntity.java:498) ~[spigot-1.14.3.jar:git-Spigot-5e4e7f3-2349feb]
	at org.bukkit.craftbukkit.v1_14_R1.entity.CraftHumanEntity.openInventory(CraftHumanEntity.java:373) ~[spigot-1.14.3.jar:git-Spigot-5e4e7f3-2349feb]
	at de.leonhard.fight.paste.PasteManager.showPublicSchematics(PasteManager.java:169) ~[?:?]
	at de.leonhard.fight.commands.FightCommand.lambda$onSchemListPublic$1(FightCommand.java:251) ~[?:?]
	at org.bukkit.craftbukkit.v1_14_R1.scheduler.CraftTask.run(CraftTask.java:81) ~[spigot-1.14.3.jar:git-Spigot-5e4e7f3-2349feb]
	at org.bukkit.craftbukkit.v1_14_R1.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:54) [spigot-1.14.3.jar:git-Spigot-5e4e7f3-2349feb]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_211]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_211]
	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_211]
[17:02:14] [Craft Scheduler Thread - 1/WARN]: [MCCommons] Plugin MCCommons v2.0 generated an exception while executing task 16
java.lang.NoSuchMethodError: org.bukkit.material.MaterialData.getItemTypeId()I
	at de.exceptionflug.mccommons.inventories.spigot.converters.MaterialDataItemTypeConverter.convert(MaterialDataItemTypeConverter.java:15) ~[?:?]
	at de.exceptionflug.mccommons.inventories.spigot.converters.MaterialDataItemTypeConverter.convert(MaterialDataItemTypeConverter.java:11) ~[?:?]
	at de.exceptionflug.mccommons.core.Converters.convert(Converters.java:15) ~[?:?]
	at de.leonhard.fight.paste.PasteManager$SchematicListInventoryWrapper.lambda$fetch$3(PasteManager.java:226) ~[?:?]
	at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) ~[?:1.8.0_211]
	at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) ~[?:1.8.0_211]
	at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) ~[?:1.8.0_211]
	at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) ~[?:1.8.0_211]
	at java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:708) ~[?:1.8.0_211]
	at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) ~[?:1.8.0_211]
	at java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:499) ~[?:1.8.0_211]
	at de.leonhard.fight.paste.PasteManager$SchematicListInventoryWrapper.fetch(PasteManager.java:232) ~[?:?]
	at de.exceptionflug.mccommons.inventories.api.design.AbstractAsyncFetchMultiPageInventoryWrapper.fetch(AbstractAsyncFetchMultiPageInventoryWrapper.java:133) ~[?:?]
	at de.exceptionflug.mccommons.inventories.api.design.AbstractAsyncFetchMultiPageInventoryWrapper.lambda$null$3(AbstractAsyncFetchMultiPageInventoryWrapper.java:81) ~[?:?]
	at de.exceptionflug.mccommons.inventories.api.InventoryWrapper.unsafe(InventoryWrapper.java:150) ~[?:?]
	at de.exceptionflug.mccommons.inventories.api.design.AbstractAsyncFetchMultiPageInventoryWrapper.lambda$refetch$4(AbstractAsyncFetchMultiPageInventoryWrapper.java:80) ~[?:?]
	at org.bukkit.craftbukkit.v1_14_R1.scheduler.CraftTask.run(CraftTask.java:81) ~[spigot-1.14.3.jar:git-Spigot-5e4e7f3-2349feb]
	at org.bukkit.craftbukkit.v1_14_R1.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:54) [spigot-1.14.3.jar:git-Spigot-5e4e7f3-2349feb]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_211]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_211]
	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_211]