[22:50:58] [Server thread/WARN]: [WGKeepInventoryFlags] Could not load inventories:
java.lang.NullPointerException
	at de.mewin.util.ValueSaver.load(ValueSaver.java:305) ~[WGKeepInventoryFlags.jar:?]
	at com.mewin.WGKeepInvFlags.WGKeepInventoryFlagsPlugin.loadInventories(WGKeepInventoryFlagsPlugin.java:107) [WGKeepInventoryFlags.jar:?]
	at com.mewin.WGKeepInvFlags.WGKeepInventoryFlagsPlugin.onEnable(WGKeepInventoryFlagsPlugin.java:77) [WGKeepInventoryFlags.jar:?]
	at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:218) [Spigot_1.7:git-Spigot-1219]
	at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:457) [Spigot_1.7:git-Spigot-1219]
	at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:385) [Spigot_1.7:git-Spigot-1219]
	at org.bukkit.craftbukkit.v1_7_R1.CraftServer.loadPlugin(CraftServer.java:302) [Spigot_1.7:git-Spigot-1219]
	at org.bukkit.craftbukkit.v1_7_R1.CraftServer.enablePlugins(CraftServer.java:284) [Spigot_1.7:git-Spigot-1219]
	at net.minecraft.server.v1_7_R1.MinecraftServer.m(MinecraftServer.java:348) [Spigot_1.7:git-Spigot-1219]
	at net.minecraft.server.v1_7_R1.MinecraftServer.g(MinecraftServer.java:325) [Spigot_1.7:git-Spigot-1219]
	at net.minecraft.server.v1_7_R1.MinecraftServer.a(MinecraftServer.java:281) [Spigot_1.7:git-Spigot-1219]
	at net.minecraft.server.v1_7_R1.DedicatedServer.init(DedicatedServer.java:184) [Spigot_1.7:git-Spigot-1219]
	at net.minecraft.server.v1_7_R1.MinecraftServer.run(MinecraftServer.java:430) [Spigot_1.7:git-Spigot-1219]
	at net.minecraft.server.v1_7_R1.ThreadServerApplication.run(SourceFile:617) [Spigot_1.7:git-Spigot-1219]