NoSuchMethodError

gistfile1.txt

[18:32:38] [Server thread/INFO] [commandsigns]: CommandSigns loading...
[18:32:38] [Server thread/ERROR] [Sponge]: Could not pass FMLInitializationEvent to Plugin{id=commandsigns, name=CommandSigns, version=1.3.1, description=This plugins enables server admins t
o create signs that run a list of commands, targeting the player who clicks them., source=E:\ziCRAFT-1.12.1\mods\CommandSigns-API-6.0.0-1.3.1.jar}
java.lang.NoSuchMethodError: org.spongepowered.api.data.DataManager.register(Ljava/lang/Class;Ljava/lang/Class;Lorg/spongepowered/api/data/manipulator/DataManipulatorBuilder;)V
        at io.github.hsyyid.commandsigns.CommandSigns.onServerInit(CommandSigns.java:139) ~[CommandSigns.class:API-6.0.0-1.3]
        at org.spongepowered.common.event.listener.GameInitializationEventListener_CommandSigns_onServerInit6.handle(Unknown Source) ~[?:?]
        at org.spongepowered.common.event.RegisteredListener.handle(RegisteredListener.java:95) ~[RegisteredListener.class:1.12.1-2444-7.0.0-BETA-2609]
        at org.spongepowered.mod.event.SpongeModEventManager.post(SpongeModEventManager.java:314) [SpongeModEventManager.class:1.12.1-2444-7.0.0-BETA-2609]
        at org.spongepowered.mod.event.SpongeModEventManager.post(SpongeModEventManager.java:345) [SpongeModEventManager.class:1.12.1-2444-7.0.0-BETA-2609]
        at org.spongepowered.mod.SpongeMod.onStateEvent(SpongeMod.java:233) [SpongeMod.class:1.12.1-2444-7.0.0-BETA-2609]
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_144]
        at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_144]
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_144]
        at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_144]
        at com.google.common.eventbus.Subscriber.invokeSubscriberMethod(Subscriber.java:91) [minecraft_server.1.12.1.jar:?]
        at com.google.common.eventbus.Subscriber$SynchronizedSubscriber.invokeSubscriberMethod(Subscriber.java:150) [minecraft_server.1.12.1.jar:?]
        at com.google.common.eventbus.Subscriber$1.run(Subscriber.java:76) [minecraft_server.1.12.1.jar:?]
        at com.google.common.util.concurrent.MoreExecutors$DirectExecutor.execute(MoreExecutors.java:399) [minecraft_server.1.12.1.jar:?]
        at com.google.common.eventbus.Subscriber.dispatchEvent(Subscriber.java:71) [minecraft_server.1.12.1.jar:?]
        at com.google.common.eventbus.Dispatcher$PerThreadQueuedDispatcher.dispatch(Dispatcher.java:116) [minecraft_server.1.12.1.jar:?]
        at com.google.common.eventbus.EventBus.post(EventBus.java:217) [minecraft_server.1.12.1.jar:?]
        at net.minecraftforge.fml.common.LoadController.sendEventToModContainer(LoadController.java:252) [LoadController.class:?]
        at net.minecraftforge.fml.common.LoadController.propogateStateMessage(LoadController.java:230) [LoadController.class:?]
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_144]
        at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_144]
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_144]
        at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_144]
        at com.google.common.eventbus.Subscriber.invokeSubscriberMethod(Subscriber.java:91) [minecraft_server.1.12.1.jar:?]
        at com.google.common.eventbus.Subscriber$SynchronizedSubscriber.invokeSubscriberMethod(Subscriber.java:150) [minecraft_server.1.12.1.jar:?]
        at com.google.common.eventbus.Subscriber$1.run(Subscriber.java:76) [minecraft_server.1.12.1.jar:?]
        at com.google.common.util.concurrent.MoreExecutors$DirectExecutor.execute(MoreExecutors.java:399) [minecraft_server.1.12.1.jar:?]
        at com.google.common.eventbus.Subscriber.dispatchEvent(Subscriber.java:71) [minecraft_server.1.12.1.jar:?]
        at com.google.common.eventbus.Dispatcher$PerThreadQueuedDispatcher.dispatch(Dispatcher.java:116) [minecraft_server.1.12.1.jar:?]
        at com.google.common.eventbus.EventBus.post(EventBus.java:217) [minecraft_server.1.12.1.jar:?]
        at net.minecraftforge.fml.common.LoadController.redirect$onPost$zza000(LoadController.java:561) [LoadController.class:?]
        at net.minecraftforge.fml.common.LoadController.distributeStateMessage(LoadController.java:147) [LoadController.class:?]
        at net.minecraftforge.fml.common.Loader.initializeMods(Loader.java:781) [Loader.class:?]
        at net.minecraftforge.fml.server.FMLServerHandler.finishServerLoading(FMLServerHandler.java:107) [FMLServerHandler.class:?]
        at net.minecraftforge.fml.common.FMLCommonHandler.onServerStarted(FMLCommonHandler.java:336) [FMLCommonHandler.class:?]
        at net.minecraft.server.dedicated.DedicatedServer.func_71197_b(DedicatedServer.java:219) [nz.class:?]
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:484) [MinecraftServer.class:?]
        at java.lang.Thread.run(Unknown Source) [?:1.8.0_144]