[23:23:02] [Server thread/ERROR] [minecraft/MinecraftServer]: Encountered an unexpected exception
net.minecraftforge.fml.common.LoaderExceptionModCrash: Caught exception from Thaumcraft (thaumcraft)

Caused by: java.lang.IllegalAccessError: tried to access class net.minecraft.potion.PotionHelper$MixPredicate from class thaumcraft.common.lib.crafting.ThaumcraftCraftingManager
        at thaumcraft.common.lib.crafting.ThaumcraftCraftingManager.getPotionReagentsRecursive(ThaumcraftCraftingManager.java:337) ~[ThaumcraftCraftingManager.class:?]
        at thaumcraft.common.config.ConfigAspects.getPotionAspects(ConfigAspects.java:692) ~[ConfigAspects.class:?]
        at thaumcraft.common.config.ConfigAspects.registerItemAspects(ConfigAspects.java:525) ~[ConfigAspects.class:?]
        at thaumcraft.common.config.ConfigAspects.postInit(ConfigAspects.java:36) ~[ConfigAspects.class:?]
        at thaumcraft.proxies.CommonProxy.postInit(CommonProxy.java:82) ~[CommonProxy.class:?]
        at thaumcraft.Thaumcraft.postInit(Thaumcraft.java:54) ~[Thaumcraft.class:?]
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_181]
        at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_181]
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_181]
        at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_181]
        at net.minecraftforge.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:624) ~[forge-1.12.2-14.23.5.2768-universal.jar:?]
        at sun.reflect.GeneratedMethodAccessor10.invoke(Unknown Source) ~[?:?]
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_181]
        at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_181]
        at com.google.common.eventbus.Subscriber.invokeSubscriberMethod(Subscriber.java:91) ~[minecraft_server.1.12.2.jar:?]
        at com.google.common.eventbus.Subscriber$SynchronizedSubscriber.invokeSubscriberMethod(Subscriber.java:150) ~[minecraft_server.1.12.2.jar:?]
        at com.google.common.eventbus.Subscriber$1.run(Subscriber.java:76) ~[minecraft_server.1.12.2.jar:?]
        at com.google.common.util.concurrent.MoreExecutors$DirectExecutor.execute(MoreExecutors.java:399) ~[minecraft_server.1.12.2.jar:?]
        at com.google.common.eventbus.Subscriber.dispatchEvent(Subscriber.java:71) ~[minecraft_server.1.12.2.jar:?]
        at com.google.common.eventbus.Dispatcher$PerThreadQueuedDispatcher.dispatch(Dispatcher.java:116) ~[minecraft_server.1.12.2.jar:?]
        at com.google.common.eventbus.EventBus.post(EventBus.java:217) ~[minecraft_server.1.12.2.jar:?]
        at net.minecraftforge.fml.common.LoadController.sendEventToModContainer(LoadController.java:218) ~[forge-1.12.2-14.23.5.2768-universal.jar:?]
        at net.minecraftforge.fml.common.LoadController.propogateStateMessage(LoadController.java:196) ~[forge-1.12.2-14.23.5.2768-universal.jar:?]
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_181]
        at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_181]
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_181]
        at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_181]
        at com.google.common.eventbus.Subscriber.invokeSubscriberMethod(Subscriber.java:91) ~[minecraft_server.1.12.2.jar:?]
        at com.google.common.eventbus.Subscriber$SynchronizedSubscriber.invokeSubscriberMethod(Subscriber.java:150) ~[minecraft_server.1.12.2.jar:?]
        at com.google.common.eventbus.Subscriber$1.run(Subscriber.java:76) ~[minecraft_server.1.12.2.jar:?]
        at com.google.common.util.concurrent.MoreExecutors$DirectExecutor.execute(MoreExecutors.java:399) ~[minecraft_server.1.12.2.jar:?]
        at com.google.common.eventbus.Subscriber.dispatchEvent(Subscriber.java:71) ~[minecraft_server.1.12.2.jar:?]
        at com.google.common.eventbus.Dispatcher$PerThreadQueuedDispatcher.dispatch(Dispatcher.java:116) ~[minecraft_server.1.12.2.jar:?]
        at com.google.common.eventbus.EventBus.post(EventBus.java:217) ~[minecraft_server.1.12.2.jar:?]
        at net.minecraftforge.fml.common.LoadController.distributeStateMessage(LoadController.java:135) ~[LoadController.class:?]
        at net.minecraftforge.fml.common.Loader.initializeMods(Loader.java:749) ~[Loader.class:?]
        at net.minecraftforge.fml.server.FMLServerHandler.finishServerLoading(FMLServerHandler.java:108) ~[FMLServerHandler.class:?]
        at net.minecraftforge.fml.common.FMLCommonHandler.onServerStarted(FMLCommonHandler.java:338) ~[FMLCommonHandler.class:?]
        at net.minecraft.server.dedicated.DedicatedServer.func_71197_b(DedicatedServer.java:219) ~[nz.class:?]
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:486) [MinecraftServer.class:?]
        at java.lang.Thread.run(Unknown Source) [?:1.8.0_181]