CratesPlus Error, 1.14.3 Bukkit Server

[05:10:49] [Server thread/ERROR]: Could not pass event PlayerInteractEvent to CratesPlus v4.5.2
org.bukkit.event.EventException: null
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:312) ~[craftbukkit-1.14.3-R0.1.jar:git-Bukkit-eb2e657]
	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:70) ~[craftbukkit-1.14.3-R0.1.jar:git-Bukkit-eb2e657]
	at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:528) ~[craftbukkit-1.14.3-R0.1.jar:git-Bukkit-eb2e657]
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:513) ~[craftbukkit-1.14.3-R0.1.jar:git-Bukkit-eb2e657]
	at org.bukkit.craftbukkit.v1_14_R1.event.CraftEventFactory.callPlayerInteractEvent(CraftEventFactory.java:427) ~[craftbukkit-1.14.3-R0.1.jar:git-Bukkit-eb2e657]
	at net.minecraft.server.v1_14_R1.PlayerInteractManager.a(PlayerInteractManager.java:435) ~[craftbukkit-1.14.3-R0.1.jar:git-Bukkit-eb2e657]
	at net.minecraft.server.v1_14_R1.PlayerConnection.a(PlayerConnection.java:1237) ~[craftbukkit-1.14.3-R0.1.jar:git-Bukkit-eb2e657]
	at net.minecraft.server.v1_14_R1.PacketPlayInUseItem.a(SourceFile:36) ~[craftbukkit-1.14.3-R0.1.jar:git-Bukkit-eb2e657]
	at net.minecraft.server.v1_14_R1.PacketPlayInUseItem.a(SourceFile:10) ~[craftbukkit-1.14.3-R0.1.jar:git-Bukkit-eb2e657]
	at net.minecraft.server.v1_14_R1.PlayerConnectionUtils.lambda$0(PlayerConnectionUtils.java:13) ~[craftbukkit-1.14.3-R0.1.jar:git-Bukkit-eb2e657]
	at net.minecraft.server.v1_14_R1.PlayerConnectionUtils$$Lambda$3422.0000000038048170.run(Unknown Source) ~[?:?]
	at net.minecraft.server.v1_14_R1.TickTask.run(SourceFile:18) [craftbukkit-1.14.3-R0.1.jar:git-Bukkit-eb2e657]
	at net.minecraft.server.v1_14_R1.IAsyncTaskHandler.executeTask(SourceFile:135) [craftbukkit-1.14.3-R0.1.jar:git-Bukkit-eb2e657]
	at net.minecraft.server.v1_14_R1.IAsyncTaskHandlerReentrant.executeTask(SourceFile:23) [craftbukkit-1.14.3-R0.1.jar:git-Bukkit-eb2e657]
	at net.minecraft.server.v1_14_R1.IAsyncTaskHandler.executeNext(SourceFile:114) [craftbukkit-1.14.3-R0.1.jar:git-Bukkit-eb2e657]
	at net.minecraft.server.v1_14_R1.MinecraftServer.aW(MinecraftServer.java:856) [craftbukkit-1.14.3-R0.1.jar:git-Bukkit-eb2e657]
	at net.minecraft.server.v1_14_R1.MinecraftServer.executeNext(MinecraftServer.java:849) [craftbukkit-1.14.3-R0.1.jar:git-Bukkit-eb2e657]
	at net.minecraft.server.v1_14_R1.IAsyncTaskHandler.executeAll(SourceFile:99) [craftbukkit-1.14.3-R0.1.jar:git-Bukkit-eb2e657]
	at net.minecraft.server.v1_14_R1.MinecraftServer.sleepForTick(MinecraftServer.java:832) [craftbukkit-1.14.3-R0.1.jar:git-Bukkit-eb2e657]
	at net.minecraft.server.v1_14_R1.MinecraftServer.run(MinecraftServer.java:773) [craftbukkit-1.14.3-R0.1.jar:git-Bukkit-eb2e657]
	at java.lang.Thread.run(Thread.java:813) [?:1.8.0_192]
Caused by: java.lang.NullPointerException
	at plus.crates.Listeners.PlayerInteract.onPlayerInteract(PlayerInteract.java:45) ~[?:?]
	at sun.reflect.GeneratedMethodAccessor76.invoke(Unknown Source) ~[?:?]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_192]
	at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_192]
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:310) ~[craftbukkit-1.14.3-R0.1.jar:git-Bukkit-eb2e657]
	... 20 more