Error log

error.log

17.04 20:54:01 [Server] INFO ... 13 more
17.04 20:54:01 [Server] INFO at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) ~[custom.jar:git-Spigot-1.7.9-R0.2-205-g0a049fa]
17.04 20:54:01 [Server] INFO at com.massivecraft.factions.P.onCommand(P.java:197) ~[?:?]
17.04 20:54:01 [Server] INFO at com.massivecraft.factions.P.handleCommand(P.java:185) ~[?:?]
17.04 20:54:01 [Server] INFO at com.massivecraft.factions.zcore.MPlugin.handleCommand(MPlugin.java:259) ~[?:?]
17.04 20:54:01 [Server] INFO at com.massivecraft.factions.zcore.MPlugin.handleCommand(MPlugin.java:296) ~[?:?]
17.04 20:54:01 [Server] INFO at com.massivecraft.factions.zcore.MCommand.execute(MCommand.java:127) ~[?:?]
17.04 20:54:01 [Server] INFO at com.massivecraft.factions.cmd.FCommand.execute(FCommand.java:50) ~[?:?]
17.04 20:54:01 [Server] INFO at com.massivecraft.factions.zcore.MCommand.execute(MCommand.java:109) ~[?:?]
17.04 20:54:01 [Server] INFO at com.massivecraft.factions.cmd.FCommand.execute(FCommand.java:50) ~[?:?]
17.04 20:54:01 [Server] INFO at com.massivecraft.factions.zcore.MCommand.execute(MCommand.java:123) ~[?:?]
17.04 20:54:01 [Server] INFO at com.massivecraft.factions.cmd.CmdShow.perform(CmdShow.java:64) ~[?:?]
17.04 20:54:01 [Server] INFO at com.massivecraft.factions.zcore.util.TagUtil.parseFancy(TagUtil.java:83) ~[?:?]
17.04 20:54:01 [Server] INFO at com.massivecraft.factions.zcore.util.TagUtil.getFancy(TagUtil.java:177) ~[?:?]
17.04 20:54:01 [Server] INFO at com.massivecraft.factions.zcore.util.TagUtil.tipPlayer(TagUtil.java:218) ~[?:?]
17.04 20:54:01 [Server] INFO at com.massivecraft.factions.zcore.util.TagUtil.parsePlain(TagUtil.java:48) ~[?:?]
17.04 20:54:01 [Server] INFO at com.massivecraft.factions.zcore.util.TagReplacer.replace(TagReplacer.java:237) ~[?:?]
17.04 20:54:01 [Server] INFO at java.lang.String.replace(Unknown Source) ~[?:1.7.0_51]
17.04 20:54:01 [Server] INFO Caused by: java.lang.NullPointerException
17.04 20:54:01 [Server] INFO at net.minecraft.server.v1_7_R4.ThreadServerApplication.run(SourceFile:628) [custom.jar:git-Spigot-1.7.9-R0.2-205-g0a049fa]
17.04 20:54:01 [Server] INFO at net.minecraft.server.v1_7_R4.MinecraftServer.run(MinecraftServer.java:490) [custom.jar:git-Spigot-1.7.9-R0.2-205-g0a049fa]
17.04 20:54:01 [Server] INFO at net.minecraft.server.v1_7_R4.MinecraftServer.u(MinecraftServer.java:584) [custom.jar:git-Spigot-1.7.9-R0.2-205-g0a049fa]
17.04 20:54:01 [Server] INFO at net.minecraft.server.v1_7_R4.DedicatedServer.v(DedicatedServer.java:289) [custom.jar:git-Spigot-1.7.9-R0.2-205-g0a049fa]
17.04 20:54:01 [Server] INFO at net.minecraft.server.v1_7_R4.MinecraftServer.v(MinecraftServer.java:734) [custom.jar:git-Spigot-1.7.9-R0.2-205-g0a049fa]
17.04 20:54:01 [Server] INFO at net.minecraft.server.v1_7_R4.ServerConnection.c(ServerConnection.java:81) [custom.jar:git-Spigot-1.7.9-R0.2-205-g0a049fa]
17.04 20:54:01 [Server] INFO at net.minecraft.server.v1_7_R4.NetworkManager.a(NetworkManager.java:186) [custom.jar:git-Spigot-1.7.9-R0.2-205-g0a049fa]
17.04 20:54:01 [Server] INFO at net.minecraft.server.v1_7_R4.PacketPlayInChat.handle(PacketPlayInChat.java:65) [custom.jar:git-Spigot-1.7.9-R0.2-205-g0a049fa]
17.04 20:54:01 [Server] INFO at net.minecraft.server.v1_7_R4.PacketPlayInChat.a(PacketPlayInChat.java:28) [custom.jar:git-Spigot-1.7.9-R0.2-205-g0a049fa]
17.04 20:54:01 [Server] INFO at net.minecraft.server.v1_7_R4.PlayerConnection.a(PlayerConnection.java:880) [custom.jar:git-Spigot-1.7.9-R0.2-205-g0a049fa]
17.04 20:54:01 [Server] INFO at net.minecraft.server.v1_7_R4.PlayerConnection.handleCommand(PlayerConnection.java:1043) [custom.jar:git-Spigot-1.7.9-R0.2-205-g0a049fa]
17.04 20:54:01 [Server] INFO at org.bukkit.craftbukkit.v1_7_R4.CraftServer.dispatchCommand(CraftServer.java:767) ~[custom.jar:git-Spigot-1.7.9-R0.2-205-g0a049fa]
17.04 20:54:01 [Server] INFO at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:181) ~[custom.jar:git-Spigot-1.7.9-R0.2-205-g0a049fa]
17.04 20:54:01 [Server] INFO at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46) ~[custom.jar:git-Spigot-1.7.9-R0.2-205-g0a049fa]
17.04 20:54:01 [Server] INFO org.bukkit.command.CommandException: Unhandled exception executing command 'f' in plugin Factions v0.0.6-b40
17.04 20:54:01 [Server] ERROR null