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java.lang.NullPointerException: 	at io.github.hsyyid.essentialcmds.managers.config.Config.(Config.java:55)	at io.github.hsyyid.essentialcmds.managers.config.Config.(Config.java:43)	at io.github.hsyyid.essentialcmds.utils.Utils.(Utils.java:102)	at io.github.hsyyid.essentialcmds.EssentialCmds.onServerStopping(EssentialCmds.java:234)	at org.spongepowered.common.event.listener.GameStoppingEventListener_EssentialCmds_onServerStopping5.handle(Unknown Source)	at org.spongepowered.common.event.RegisteredListener.handle(RegisteredListener.java:95)	at org.spongepowered.mod.event.SpongeModEventManager.post(SpongeModEventManager.java:353)	at org.spongepowered.mod.event.SpongeModEventManager.post(SpongeModEventManager.java:394)	at org.spongepowered.common.SpongeImpl.postState(SpongeImpl.java:197)	at org.spongepowered.common.SpongeImpl.postShutdownEvents(SpongeImpl.java:201)	at net.minecraft.server.dedicated.DedicatedServer.handler$postGameStoppingEvent$0(DedicatedServer.java:82)	at net.minecraft.server.dedicated.DedicatedServer.func_71240_o(DedicatedServer.java)	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:535)	at java.lang.Thread.run(Thread.java:745)