Weather Error - EssentialsCmds

[Server thread/ERROR] [Sponge]: Error occurred while executing command 'weather clear' for source EntityPlayerMP['Rasgnarok'/22, l='ObliqueMain', x=183.16, y=96.00, z=877.78]: org.spongepowered.api.world.World.forecast(Lorg/spongepowered/api/world/weather/Weather;)Vjava.lang.NoSuchMethodError: org.spongepowered.api.world.World.forecast(Lorg/spongepowered/api/world/weather/Weather;)V at io.github.hsyyid.essentialcmds.cmdexecutors.WeatherExecutor.execute(WeatherExecutor.java:83) ~[WeatherExecutor.class:7.4e] at org.spongepowered.api.command.spec.CommandSpec.process(CommandSpec.java:331) ~[CommandSpec.class:1.8.9-1763-4.1.0-BETA-1209] at org.spongepowered.api.command.dispatcher.SimpleDispatcher.process(SimpleDispatcher.java:331) ~[SimpleDispatcher.class:1.8.9-1763-4.1.0-BETA-1209] at org.spongepowered.common.command.SpongeCommandManager.process(SpongeCommandManager.java:268) [SpongeCommandManager.class:1.8.9-1763-4.1.0-BETA-1209] at net.minecraft.command.ServerCommandManager.func_71556_a(SourceFile:83) [bd.class:?] at net.minecraft.network.NetHandlerPlayServer.func_147361_d(NetHandlerPlayServer.java:815) [lm.class:?] at net.minecraft.network.NetHandlerPlayServer.func_147354_a(NetHandlerPlayServer.java:794) [lm.class:?] at net.minecraft.network.play.client.C01PacketChatMessage.func_148833_a(SourceFile:37) [ie.class:?] at net.minecraft.network.play.client.C01PacketChatMessage.func_148833_a(SourceFile:9) [ie.class:?] at org.spongepowered.common.network.PacketUtil.onProcessPacket(PacketUtil.java:106) [PacketUtil.class:1.8.9-1763-4.1.0-BETA-1209] at net.minecraft.network.PacketThreadUtil$1.redirect$onProcessPacket$0(SourceFile:51) [fh$1.class:?] at net.minecraft.network.PacketThreadUtil$1.run(SourceFile:13) [fh$1.class:?] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_72] at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_72] at net.minecraft.util.Util.func_181617_a(SourceFile:44) [g.class:?] at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:660) [MinecraftServer.class:?] at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:344) [ko.class:?] at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:605) [MinecraftServer.class:?] at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:481) [MinecraftServer.class:?] at java.lang.Thread.run(Thread.java:745) [?:1.8.0_72]> [01:10:40]