>.... [13:30:14 ERROR]: null
org.bukkit.command.CommandException: Unhandled exception executing command 'investment' in plugin Investment v1.4.3
at org.bukkit.command.PluginCommand.execute(PluginCommand.java:47) ~[spigot-1.15.1.jar:git-Paper-34]
at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:159) ~[spigot-1.15.1.jar:git-Paper-34]
at org.bukkit.craftbukkit.v1_15_R1.CraftServer.dispatchCommand(CraftServer.java:740) ~[spigot-1.15.1.jar:git-Paper-34]
at net.minecraft.server.v1_15_R1.PlayerConnection.handleCommand(PlayerConnection.java:1820) ~[spigot-1.15.1.jar:git-Paper-34]
at net.minecraft.server.v1_15_R1.PlayerConnection.a(PlayerConnection.java:1628) ~[spigot-1.15.1.jar:git-Paper-34]
at net.minecraft.server.v1_15_R1.PacketPlayInChat.a(PacketPlayInChat.java:47) ~[spigot-1.15.1.jar:git-Paper-34]
at net.minecraft.server.v1_15_R1.PacketPlayInChat.a(PacketPlayInChat.java:5) ~[spigot-1.15.1.jar:git-Paper-34]
at net.minecraft.server.v1_15_R1.PlayerConnectionUtils.lambda$ensureMainThread$0(PlayerConnectionUtils.java:23) ~[spigot-1.15.1.jar:git-Paper-34]
at net.minecraft.server.v1_15_R1.TickTask.run(SourceFile:18) ~[spigot-1.15.1.jar:git-Paper-34]
at net.minecraft.server.v1_15_R1.IAsyncTaskHandler.executeTask(IAsyncTaskHandler.java:136) ~[spigot-1.15.1.jar:git-Paper-34]
at net.minecraft.server.v1_15_R1.IAsyncTaskHandlerReentrant.executeTask(SourceFile:23) ~[spigot-1.15.1.jar:git-Paper-34]
at net.minecraft.server.v1_15_R1.IAsyncTaskHandler.executeNext(IAsyncTaskHandler.java:109) ~[spigot-1.15.1.jar:git-Paper-34]
at net.minecraft.server.v1_15_R1.MinecraftServer.aZ(MinecraftServer.java:1037) ~[spigot-1.15.1.jar:git-Paper-34]
at net.minecraft.server.v1_15_R1.MinecraftServer.executeNext(MinecraftServer.java:1030) ~[spigot-1.15.1.jar:git-Paper-34]
at net.minecraft.server.v1_15_R1.IAsyncTaskHandler.awaitTasks(IAsyncTaskHandler.java:119) ~[spigot-1.15.1.jar:git-Paper-34]
at net.minecraft.server.v1_15_R1.MinecraftServer.sleepForTick(MinecraftServer.java:1014) ~[spigot-1.15.1.jar:git-Paper-34]
at net.minecraft.server.v1_15_R1.MinecraftServer.run(MinecraftServer.java:937) ~[spigot-1.15.1.jar:git-Paper-34]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_212]
Caused by: java.lang.NoSuchMethodError: com.sk89q.worldedit.bukkit.WorldEditPlugin.getSelection(Lorg/bukkit/entity/Player;)Lcom/sk89q/worldedit/bukkit/selections/Selection;
at fr.customentity.investment.hook.all.WorldEdit_6_1_9.getMinimumPoint(WorldEdit_6_1_9.java:22) ~[?:?]
at fr.customentity.investment.Investment.onCommand(Investment.java:509) ~[?:?]
at org.bukkit.command.PluginCommand.execute(PluginCommand.java:45) ~[spigot-1.15.1.jar:git-Paper-34]