NPE in statement.executeQuery

I have a problem with statement.executeQuery. Every time I call this I get a Null Pointer Exception and I don't really know what the problem is.

Here is the line on my GitHub Rep GitHub Rep

And here is the Stacktrace

[21:16:53 INFO]: Xearox issued server command: /ecweb register Xearox 12345 org.bukkit.command.CommandException: Unhandled exception executing command 'ecweb' in plugin xConomy v0.0.1 at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46) ~[spigot-1.8.8.jar:git-Spigot-5f38d38-18fbb24] at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:141) ~[spigot-1.8.8.jar:git-Spigot-5f38d38-18fbb24] at org.bukkit.craftbukkit.v1_8_R3.CraftServer.dispatchCommand(CraftServer.java:641) ~[spigot-1.8.8.jar:git-Spigot-5f38d38-18fbb24] at net.minecraft.server.v1_8_R3.PlayerConnection.handleCommand(PlayerConnection.java:1162) [spigot-1.8.8.jar:git-Spigot-5f38d38-18fbb24] at net.minecraft.server.v1_8_R3.PlayerConnection.a(PlayerConnection.java:997) [spigot-1.8.8.jar:git-Spigot-5f38d38-18fbb24] at net.minecraft.server.v1_8_R3.PacketPlayInChat.a(PacketPlayInChat.java:45) [spigot-1.8.8.jar:git-Spigot-5f38d38-18fbb24] at net.minecraft.server.v1_8_R3.PacketPlayInChat.a(PacketPlayInChat.java:1) [spigot-1.8.8.jar:git-Spigot-5f38d38-18fbb24] at net.minecraft.server.v1_8_R3.PlayerConnectionUtils$1.run(SourceFile:13) [spigot-1.8.8.jar:git-Spigot-5f38d38-18fbb24] at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) [?:1.7.0_79] at java.util.concurrent.FutureTask.run(Unknown Source) [?:1.7.0_79] at net.minecraft.server.v1_8_R3.SystemUtils.a(SourceFile:44) [spigot-1.8.8.jar:git-Spigot-5f38d38-18fbb24] at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:715) [spigot-1.8.8.jar:git-Spigot-5f38d38-18fbb24] at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:374) [spigot-1.8.8.jar:git-Spigot-5f38d38-18fbb24] at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:654) [spigot-1.8.8.jar:git-Spigot-5f38d38-18fbb24] at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:557) [spigot-1.8.8.jar:git-Spigot-5f38d38-18fbb24] at java.lang.Thread.run(Unknown Source) [?:1.7.0_79] Caused by: java.lang.NullPointerException at org.sqlite.Stmt.executeUpdate(Stmt.java:152) ~[spigot-1.8.8.jar:git-Spigot-5f38d38-18fbb24] at de.xearox.xconomy.utility.Database.createNewPlayer(Database.java:95) ~[?:?] at de.xearox.xconomy.XConomy.onCommand(XConomy.java:241) ~[?:?] at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) ~[spigot-1.8.8.jar:git-Spigot-5f38d38-18fbb24] ... 15 more

The creating of the database table working fine.

Maybe you can help me out here I don't really know what I do wrong here :/

Thank You