[00:06:14] [Server thread/INFO]: LudnicaKiller issued server command: /f claim 1 warzone
[00:06:14] [Server thread/ERROR]: null
org.bukkit.command.CommandException: Unhandled exception executing command 'f' in plugin Factions v1.6.9.5-U0.2.1-RC-1.6-BETA
    at org.bukkit.command.PluginCommand.execute(PluginCommand.java:47) ~[patched.jar:git-PaperSpigot-"4c7641d"]
    at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:146) ~[patched.jar:git-PaperSpigot-"4c7641d"]
    at org.bukkit.craftbukkit.v1_8_R3.CraftServer.dispatchCommand(CraftServer.java:666) ~[patched.jar:git-PaperSpigot-"4c7641d"]
    at net.minecraft.server.v1_8_R3.PlayerConnection.handleCommand(PlayerConnection.java:1189) [patched.jar:git-PaperSpigot-"4c7641d"]
    at net.minecraft.server.v1_8_R3.PlayerConnection.a(PlayerConnection.java:1001) [patched.jar:git-PaperSpigot-"4c7641d"]
    at net.minecraft.server.v1_8_R3.PacketPlayInChat.a(PacketPlayInChat.java:45) [patched.jar:git-PaperSpigot-"4c7641d"]
    at net.minecraft.server.v1_8_R3.PacketPlayInChat.a(PacketPlayInChat.java:1) [patched.jar:git-PaperSpigot-"4c7641d"]
    at net.minecraft.server.v1_8_R3.PlayerConnectionUtils$1.run(SourceFile:13) [patched.jar:git-PaperSpigot-"4c7641d"]
    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_171]
    at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_171]
    at net.minecraft.server.v1_8_R3.SystemUtils.a(SourceFile:44) [patched.jar:git-PaperSpigot-"4c7641d"]
    at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:774) [patched.jar:git-PaperSpigot-"4c7641d"]
    at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:378) [patched.jar:git-PaperSpigot-"4c7641d"]
    at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:713) [patched.jar:git-PaperSpigot-"4c7641d"]
    at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:616) [patched.jar:git-PaperSpigot-"4c7641d"]
    at java.lang.Thread.run(Thread.java:748) [?:1.8.0_171]
Caused by: java.lang.NullPointerException
    at com.massivecraft.factions.integration.Econ.modifyMoney(Econ.java:289) ~[Factions-2019-01-03--05-12.jar:?]
    at com.massivecraft.factions.zcore.persist.MemoryFPlayer.attemptClaim(MemoryFPlayer.java:1174) ~[Factions-2019-01-03--05-12.jar:?]
    at com.massivecraft.factions.zcore.persist.MemoryFPlayer.attemptClaim(MemoryFPlayer.java:812) ~[Factions-2019-01-03--05-12.jar:?]
    at com.massivecraft.factions.cmd.CmdClaim.perform(CmdClaim.java:57) ~[Factions-2019-01-03--05-12.jar:?]
    at com.massivecraft.factions.zcore.MCommand.execute(MCommand.java:127) ~[Factions-2019-01-03--05-12.jar:?]
    at com.massivecraft.factions.cmd.FCommand.execute(FCommand.java:63) ~[Factions-2019-01-03--05-12.jar:?]
    at com.massivecraft.factions.zcore.MCommand.execute(MCommand.java:113) ~[Factions-2019-01-03--05-12.jar:?]
    at com.massivecraft.factions.cmd.FCommand.execute(FCommand.java:63) ~[Factions-2019-01-03--05-12.jar:?]
    at com.massivecraft.factions.zcore.MCommand.execute(MCommand.java:131) ~[Factions-2019-01-03--05-12.jar:?]
    at com.massivecraft.factions.zcore.MPlugin.handleCommand(MPlugin.java:288) ~[Factions-2019-01-03--05-12.jar:?]
    at com.massivecraft.factions.zcore.MPlugin.handleCommand(MPlugin.java:251) ~[Factions-2019-01-03--05-12.jar:?]
    at com.massivecraft.factions.SavageFactions.handleCommand(SavageFactions.java:515) ~[Factions-2019-01-03--05-12.jar:?]
    at com.massivecraft.factions.SavageFactions.onCommand(SavageFactions.java:526) ~[Factions-2019-01-03--05-12.jar:?]
    at org.bukkit.command.PluginCommand.execute(PluginCommand.java:45) ~[patched.jar:git-PaperSpigot-"4c7641d"]
    ... 15 more