Bukkit

What steps will reproduce the problem?
1. trying to use a flag such as greeting
2.
3.

What is the expected output? What do you see instead?

What version of the product are you using?

Do you have an error log of what happened?

Please provide any additional information below.

---i think this is the log for the error---

(Unknown Source) [?:1.8.0_65]
[02:54:55] [Server thread/WARN]: [LibelulaProtectionBlocks] Task #29 for LibelulaProtectionBlocks v2.0.10 Release generated an exception
java.lang.NullPointerException
    at me.libelula.pb.Main$2.run(Main.java:189) ~[?:?]
    at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:53) ~[craftbukkit-1.8.8.jar:git-Bukkit-18fbb24]
    at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:349) [craftbukkit-1.8.8.jar:git-Bukkit-18fbb24]
    at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:680) [craftbukkit-1.8.8.jar:git-Bukkit-18fbb24]
    at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:335) [craftbukkit-1.8.8.jar:git-Bukkit-18fbb24]
    at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:629) [craftbukkit-1.8.8.jar:git-Bukkit-18fbb24]
    at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:537) [craftbukkit-1.8.8.jar:git-Bukkit-18fbb24]
    at java.lang.Thread.run