[1.12.2] Set biome command not working

[astromediaonly]

Its probably my fault as Im new to minecraft mods but when I tryed to use /btsetbiome 1 1 it resulted into:

[Server thread/WARN] [net.minecraft.command.CommandHandler]: Couldn't process command: btsetbiome 1 1                                               
 java.lang.NoSuchMethodError: net.minecraft.world.biome.Biome.func_185359_l()Ljava/lang/String;                                                                
        at me.superckl.biometweaker.server.command.CommandSetBiome.func_184881_a(CommandSetBiome.java:108) ~[CommandSetBiome.class:?]                          
        at net.minecraft.command.CommandHandler.func_175786_a(CommandHandler.java:127) ~[bj.class:?]                                                           
        at net.minecraft.command.CommandHandler.func_71556_a(CommandHandler.java:99) ~[bj.class:?]                                                             
        at org.bukkit.craftbukkit.v1_12_R1.command.CraftSimpleCommandMap.dispatch(CraftSimpleCommandMap.java:43) ~[CraftSimpleCommandMap.class:1.12.2-d04e549e]
        at org.bukkit.craftbukkit.v1_12_R1.CraftServer.dispatchVanillaCommand(CraftServer.java:702) ~[CraftServer.class:1.12.2-d04e549e]                       
        at org.bukkit.craftbukkit.v1_12_R1.CraftServer.dispatchCommand(CraftServer.java:697) ~[CraftServer.class:1.12.2-d04e549e]                              
        at net.minecraft.network.NetHandlerPlayServer.func_147361_d(NetHandlerPlayServer.java:1604) ~[pa.class:?]                                              
        at net.minecraft.network.NetHandlerPlayServer.func_147354_a(NetHandlerPlayServer.java:1452) ~[pa.class:?]                                              
        at net.minecraft.network.play.client.CPacketChatMessage.func_148833_a(CPacketChatMessage.java:50) ~[la.class:?]                                        
        at net.minecraft.network.play.client.CPacketChatMessage.func_148833_a(CPacketChatMessage.java:11) ~[la.class:?]                                        
        at net.minecraft.network.PacketThreadUtil.lambda$checkThreadAndEnqueue$0(PacketThreadUtil.java:14) ~[hv.class:?]                                       
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_212]                                                               
        at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_212]                                                                              
        at net.minecraft.util.Util.func_181617_a(SourceFile:46) [h.class:?]                                                                                    
        at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:861) [MinecraftServer.class:?]                                               
        at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:461) [nz.class:?]                                                  
        at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:800) [MinecraftServer.class:?]                                               
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:672) [MinecraftServer.class:?]                                                        
        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_212]              

Im using 3.2.369 which seemed as latest for 1.12.2.