Bukkit

What steps will reproduce the problem?
Attempting to run the plugin for the first time.

What is the expected output? What do you see instead?
Expecting a generated config folder and a smooth boot up, but I'm given an error and no file instead.

What version of the product are you using?
v3.1

Do you have an error log of what happened?
23:01:49 [INFO] [DailyBonus] Enabling DailyBonus v3.1
23:01:49 [SEVERE] Error occurred while enabling DailyBonus v3.1 (Is it up to date?)
java.lang.NoSuchMethodError: java.io.File.toPath()Ljava/nio/file/Path;
    at me.itsatacoshop247.DailyBonus.DailyBonus.firstRun(DailyBonus.java:163)
    at me.itsatacoshop247.DailyBonus.DailyBonus.onEnable(DailyBonus.java:84)
    at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:217)
    at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:374)
    at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:381)
    at org.bukkit.craftbukkit.CraftServer.loadPlugin(CraftServer.java:266)
    at org.bukkit.craftbukkit.CraftServer.enablePlugins(CraftServer.java:248)
    at net.minecraft.server.MinecraftServer.i(MinecraftServer.java:297)
    at net.minecraft.server.MinecraftServer.d(MinecraftServer.java:276)
    at net.minecraft.server.MinecraftServer.a(MinecraftServer.java:226)
    at net.minecraft.server.DedicatedServer.init(DedicatedServer.java:140)
    at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:377)
    at net.minecraft.server.ThreadServerApplication.run(SourceFile:539)

Please provide any additional information below.
I'm not sure if there's anything else I can give you.

Bollocks I had this issue before on another plugin, but I forget how to fix it. What Java version are you running? I think that might be it.