Authentic error

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/*                                         Could not pass  SendCommandEvent$Impl                                          */
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/* Could not pass the event SendCommandEvent$Impl to an Event Listener!                                                   */
/*                                                                                                                        */
/* Since the event can be modified during the event's listener,                                                           */
/* there could be adverse side effects of the exception occurring                                                         */
/* such that duplications or other game breaking issues could exist.                                                      */
/*                                                                                                                        */
/* Due to the nature of the exception, this is not likely an exception                                                    */
/* that is covered by SpongeForge or Forge itself, and therefore should                                                   */
/* be reported to the mod/plugin author first prior to reporting to                                                       */
/* Sponge or Forge.                                                                                                       */
/*                                                                                                                        */
/* Owning Mod/Plugin: authentic                                                                                           */
/* Exception:                                                                                                             */
/*     java.lang.NullPointerException: null                                                                               */
/*     org.framagit.anhkagi.authentic.Config.getNode(Config.java:123)                                                     */
/*     org.framagit.anhkagi.authentic.Authentic.onPlayerCommand(Authentic.java:426)                                       */
/*     org.spongepowered.common.event.listener.SendCommandEventListener_Authentic_onPlayerCommand7.handle(Unknown Source) */
/*     org.spongepowered.common.event.RegisteredListener.handle(RegisteredListener.java:97)                               */
/*     org.spongepowered.mod.event.SpongeModEventManager.post(SpongeModEventManager.java:383)                             */
/*     org.spongepowered.mod.event.SpongeModEventManager.extendedPost(SpongeModEventManager.java:458)                     */
/*     org.spongepowered.mod.event.SpongeModEventManager.post(SpongeModEventManager.java:419)                             */
/*     org.spongepowered.common.event.SpongeEventManager.post(SpongeEventManager.java:467)                                */
/*     org.spongepowered.common.command.SpongeCommandManager.process(SpongeCommandManager.java:327)                       */
/*     net.minecraft.command.ServerCommandManager.func_71556_a(SourceFile:665)                                            */
/*     net.minecraft.tileentity.CommandBlockBaseLogic.func_145755_a(SourceFile:125)                                       */
/*     net.minecraft.block.BlockCommandBlock.func_193387_a(SourceFile:115)                                                */
/*     net.minecraft.block.BlockCommandBlock.func_180650_b(SourceFile:93)                                                 */
/*     org.spongepowered.common.event.tracking.TrackingUtil.updateTickBlock(TrackingUtil.java:276)                        */
/*     net.minecraft.world.WorldServer.redirect$zlm000$onUpdateTick(WorldServer.java:3949)                                */
/*     net.minecraft.world.WorldServer.func_72955_a(WorldServer.java:737)                                                 */
/*     net.minecraft.world.WorldServer.func_72835_b(WorldServer.java:223)                                                 */
/*     net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:756)                                        */
/*     net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:397)                              */
/*     net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:668)                                        */
/*     net.minecraft.server.MinecraftServer.run(MinecraftServer.java:526)                                                 */
/*     java.lang.Thread.run(Thread.java:748)                                                                              */
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