> [15:05:42 ERROR]: Could not pass event BlockDropItemEvent to mcMMO v2.1.22
org.bukkit.event.EventException: null
at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:309) ~[server.jar:git-Spigot-518206a-a5b9c7b]
at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[server.jar:git-Spigot-518206a-a5b9c7b]
at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:500) ~[server.jar:git-Spigot-518206a-a5b9c7b]
at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:485) ~[server.jar:git-Spigot-518206a-a5b9c7b]
at org.bukkit.craftbukkit.v1_13_R2.event.CraftEventFactory.callBlockDropItemEvent(CraftEventFactory.java:203) ~[server.jar:git-Spigot-518206a-a5b9c7b]
at net.minecraft.server.v1_13_R2.PlayerInteractManager.breakBlock(PlayerInteractManager.java:383) ~[server.jar:git-Spigot-518206a-a5b9c7b]
at net.minecraft.server.v1_13_R2.PlayerInteractManager.a(PlayerInteractManager.java:219) ~[server.jar:git-Spigot-518206a-a5b9c7b]
at net.minecraft.server.v1_13_R2.PlayerConnection.a(PlayerConnection.java:1176) ~[server.jar:git-Spigot-518206a-a5b9c7b]
at net.minecraft.server.v1_13_R2.PacketPlayInBlockDig.a(SourceFile:40) ~[server.jar:git-Spigot-518206a-a5b9c7b]
at net.minecraft.server.v1_13_R2.PacketPlayInBlockDig.a(SourceFile:10) ~[server.jar:git-Spigot-518206a-a5b9c7b]
at net.minecraft.server.v1_13_R2.PlayerConnectionUtils.a(SourceFile:10) ~[server.jar:git-Spigot-518206a-a5b9c7b]
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_202]
at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_202]
at net.minecraft.server.v1_13_R2.SystemUtils.a(SourceFile:199) [server.jar:git-Spigot-518206a-a5b9c7b]
at net.minecraft.server.v1_13_R2.MinecraftServer.b(MinecraftServer.java:895) [server.jar:git-Spigot-518206a-a5b9c7b]
at net.minecraft.server.v1_13_R2.DedicatedServer.b(DedicatedServer.java:417) [server.jar:git-Spigot-518206a-a5b9c7b]
at net.minecraft.server.v1_13_R2.MinecraftServer.a(MinecraftServer.java:830) [server.jar:git-Spigot-518206a-a5b9c7b]
at net.minecraft.server.v1_13_R2.MinecraftServer.run(MinecraftServer.java:728) [server.jar:git-Spigot-518206a-a5b9c7b]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_202]
Caused by: java.lang.NoSuchMethodError: org.bukkit.event.block.BlockDropItemEvent.getItems()Ljava/util/List;
at com.gmail.nossr50.listeners.BlockListener.onBlockDropItemEvent(BlockListener.java:61) ~[?:?]
at sun.reflect.GeneratedMethodAccessor169.invoke(Unknown Source) ~[?:?]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_202]
at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_202]
at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:305) ~[server.jar:git-Spigot-518206a-a5b9c7b]
... 18 more