> [04:55:16 ERROR]: null
org.bukkit.command.CommandException: Unhandled exception executing command 'killtop' in plugin GrimReaper v1.7
at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46) ~[server.jar:git-Spigot-518206a-a5b9c7b]
at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:139) ~[server.jar:git-Spigot-518206a-a5b9c7b]
at org.bukkit.craftbukkit.v1_13_R2.CraftServer.dispatchCommand(CraftServer.java:702) ~[server.jar:git-Spigot-518206a-a5b9c7b]
at net.minecraft.server.v1_13_R2.PlayerConnection.handleCommand(PlayerConnection.java:1641) ~[server.jar:git-Spigot-518206a-a5b9c7b]
at net.minecraft.server.v1_13_R2.PlayerConnection.a(PlayerConnection.java:1476) ~[server.jar:git-Spigot-518206a-a5b9c7b]
at net.minecraft.server.v1_13_R2.PacketPlayInChat.a(PacketPlayInChat.java:45) ~[server.jar:git-Spigot-518206a-a5b9c7b]
at net.minecraft.server.v1_13_R2.PacketPlayInChat.a(PacketPlayInChat.java:1) ~[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.NullPointerException
at java.lang.String.replace(String.java:2240) ~[?:1.8.0_202]
at me.codalot.grimreaper.setup.Message.applyPlaceholders(Message.java:124) ~[?:?]
at me.codalot.grimreaper.setup.Message.sendMessage(Message.java:136) ~[?:?]
at me.codalot.grimreaper.commands.other.KillTopCommand.onCommand(KillTopCommand.java:44) ~[?:?]
at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) ~[server.jar:git-Spigot-518206a-a5b9c7b]
... 15 more