29.07 22:19:16 [Server] INFO ... 18 more
29.07 22:19:16 [Server] INFO at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:302) ~[spigot-1.12-R0.1-SNAPSHOT-b1372.jar:git-Spigot-596221b-2c5c611]
29.07 22:19:16 [Server] INFO at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_131]
29.07 22:19:16 [Server] INFO at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_131]
29.07 22:19:16 [Server] INFO at sun.reflect.GeneratedMethodAccessor211.invoke(Unknown Source) ~[?:?]
29.07 22:19:16 [Server] INFO at me.badbones69.vouchers.controlers.VoucherClick.onVoucherClick(VoucherClick.java:73) ~[?:?]
29.07 22:19:16 [Server] INFO at me.badbones69.vouchers.controlers.VoucherClick.voucherClick(VoucherClick.java:163) ~[?:?]
29.07 22:19:16 [Server] INFO Caused by: java.lang.NullPointerException
29.07 22:19:16 [Server] INFO at java.lang.Thread.run(Unknown Source) [?:1.8.0_131]
29.07 22:19:16 [Server] INFO at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:576) [spigot-1.12-R0.1-SNAPSHOT-b1372.jar:git-Spigot-596221b-2c5c611]
29.07 22:19:16 [Server] INFO at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:678) [spigot-1.12-R0.1-SNAPSHOT-b1372.jar:git-Spigot-596221b-2c5c611]
29.07 22:19:16 [Server] INFO at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:405) [spigot-1.12-R0.1-SNAPSHOT-b1372.jar:git-Spigot-596221b-2c5c611]
29.07 22:19:16 [Server] INFO at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:747) [spigot-1.12-R0.1-SNAPSHOT-b1372.jar:git-Spigot-596221b-2c5c611]
29.07 22:19:16 [Server] INFO at net.minecraft.server.v1_12_R1.SystemUtils.a(SourceFile:46) [spigot-1.12-R0.1-SNAPSHOT-b1372.jar:git-Spigot-596221b-2c5c611]
29.07 22:19:16 [Server] INFO at java.util.concurrent.FutureTask.run(Unknown Source) [?:1.8.0_131]
29.07 22:19:16 [Server] INFO at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) [?:1.8.0_131]
29.07 22:19:16 [Server] INFO at net.minecraft.server.v1_12_R1.PlayerConnectionUtils$1.run(SourceFile:13) [spigot-1.12-R0.1-SNAPSHOT-b1372.jar:git-Spigot-596221b-2c5c611]
29.07 22:19:16 [Server] INFO at net.minecraft.server.v1_12_R1.PacketPlayInBlockPlace.a(PacketPlayInBlockPlace.java:1) [spigot-1.12-R0.1-SNAPSHOT-b1372.jar:git-Spigot-596221b-2c5c611]
29.07 22:19:16 [Server] INFO at net.minecraft.server.v1_12_R1.PacketPlayInBlockPlace.a(PacketPlayInBlockPlace.java:26) [spigot-1.12-R0.1-SNAPSHOT-b1372.jar:git-Spigot-596221b-2c5c611]
29.07 22:19:16 [Server] INFO at net.minecraft.server.v1_12_R1.PlayerConnection.a(PlayerConnection.java:982) [spigot-1.12-R0.1-SNAPSHOT-b1372.jar:git-Spigot-596221b-2c5c611]
29.07 22:19:16 [Server] INFO at org.bukkit.craftbukkit.v1_12_R1.event.CraftEventFactory.callPlayerInteractEvent(CraftEventFactory.java:197) [spigot-1.12-R0.1-SNAPSHOT-b1372.jar:git-Spigot-596221b-2c5c611]
29.07 22:19:16 [Server] INFO at org.bukkit.craftbukkit.v1_12_R1.event.CraftEventFactory.callPlayerInteractEvent(CraftEventFactory.java:201) [spigot-1.12-R0.1-SNAPSHOT-b1372.jar:git-Spigot-596221b-2c5c611]
29.07 22:19:16 [Server] INFO at org.bukkit.craftbukkit.v1_12_R1.event.CraftEventFactory.callPlayerInteractEvent(CraftEventFactory.java:234) [spigot-1.12-R0.1-SNAPSHOT-b1372.jar:git-Spigot-596221b-2c5c611]
29.07 22:19:16 [Server] INFO at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:484) [spigot-1.12-R0.1-SNAPSHOT-b1372.jar:git-Spigot-596221b-2c5c611]
29.07 22:19:16 [Server] INFO at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:499) [spigot-1.12-R0.1-SNAPSHOT-b1372.jar:git-Spigot-596221b-2c5c611]
29.07 22:19:16 [Server] INFO at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[spigot-1.12-R0.1-SNAPSHOT-b1372.jar:git-Spigot-596221b-2c5c611]
29.07 22:19:16 [Server] INFO at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:306) ~[spigot-1.12-R0.1-SNAPSHOT-b1372.jar:git-Spigot-596221b-2c5c611]
29.07 22:19:16 [Server] INFO org.bukkit.event.EventException: null
29.07 22:19:16 [Server] ERROR Could not pass event PlayerInteractEvent to Vouchers v1.6.4.1