22:43:20 [SEVERE] null
org.bukkit.command.CommandException: Unhandled exception executing command 'redeem' in plugin RedeemCodes v2.8.3
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:37)
        at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:80)
        at org.bukkit.craftbukkit.CraftServer.dispatchCommand(CraftServer.java:233)
        at net.minecraft.server.NetServerHandler.c(NetServerHandler.java:594)
        at net.minecraft.server.NetServerHandler.chat(NetServerHandler.java:557)
        at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:551)
        at net.minecraft.server.Packet3Chat.a(SourceFile:24)
        at net.minecraft.server.NetworkManager.a(NetworkManager.java:198)
        at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:72)
        at net.minecraft.server.NetworkListenThread.a(SourceFile:100)
        at net.minecraft.server.MinecraftServer.h(MinecraftServer.java:368)
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:283)
        at net.minecraft.server.ThreadServerApplication.run(SourceFile:375)
Caused by: java.lang.NullPointerException
        at nl.trimbo.Jordanske.RedeemCodes.Functions.getpropertysplit(Functions.java:96)
        at nl.trimbo.Jordanske.RedeemCodes.RCPlayerListener.onCommand(RCPlayerListener.java:231)
        at nl.trimbo.Jordanske.RedeemCodes.RedeemCodes.onCommand(RedeemCodes.java:73)
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:35)
        ... 12 more