java.lang.AssertionError: Couldn't find 'validate' in template implementation.
	at li.cil.oc.common.asm.ClassTransformer.replace$1(ClassTransformer.scala:337) ~[OpenComputers-MC1.12.2-1.8.3+274990f.jar:?]
	at li.cil.oc.common.asm.ClassTransformer.injectEnvironmentImplementation(ClassTransformer.scala:340) ~[OpenComputers-MC1.12.2-1.8.3+274990f.jar:?]
	at li.cil.oc.common.asm.ClassTransformer.transform(ClassTransformer.scala:139) [OpenComputers-MC1.12.2-1.8.3+274990f.jar:?]
	at net.minecraftforge.fml.common.asm.ASMTransformerWrapper$TransformerWrapper.transform(ASMTransformerWrapper.java:256) [ASMTransformerWrapper$TransformerWrapper.class:?]
	at net.minecraft.launchwrapper.LaunchClassLoader.runTransformers(LaunchClassLoader.java:279) [launchwrapper-1.12.jar:?]
	at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:176) [launchwrapper-1.12.jar:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424) [?:1.8.0_221]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357) [?:1.8.0_221]at net.minecraftforge.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:639) [FMLModContainer.class:?]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_221]
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_221]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_221]
	at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_221]
	at com.google.common.eventbus.Subscriber.invokeSubscriberMethod(Subscriber.java:91) [guava-21.0.jar:?]
	at com.google.common.eventbus.Subscriber$SynchronizedSubscriber.invokeSubscriberMethod(Subscriber.java:150) [guava-21.0.jar:?]
	at com.google.common.eventbus.Subscriber$1.run(Subscriber.java:76) [guava-21.0.jar:?]
	at com.google.common.util.concurrent.MoreExecutors$DirectExecutor.execute(MoreExecutors.java:399) [guava-21.0.jar:?]
	at com.google.common.eventbus.Subscriber.dispatchEvent(Subscriber.java:71) [guava-21.0.jar:?]
	at com.google.common.eventbus.Dispatcher$PerThreadQueuedDispatcher.dispatch(Dispatcher.java:116) [guava-21.0.jar:?]
	at com.google.common.eventbus.EventBus.post(EventBus.java:217) [guava-21.0.jar:?]
	at net.minecraftforge.fml.common.LoadController.sendEventToModContainer(LoadController.java:219) [LoadController.class:?]
	at net.minecraftforge.fml.common.LoadController.propogateStateMessage(LoadController.java:197) [LoadController.class:?]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_221]
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_221]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_221]
	at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_221]
	at com.google.common.eventbus.Subscriber.invokeSubscriberMethod(Subscriber.java:91) [guava-21.0.jar:?]
	at com.google.common.eventbus.Subscriber$SynchronizedSubscriber.invokeSubscriberMethod(Subscriber.java:150) [guava-21.0.jar:?]
	at com.google.common.eventbus.Subscriber$1.run(Subscriber.java:76) [guava-21.0.jar:?]
	at com.google.common.util.concurrent.MoreExecutors$DirectExecutor.execute(MoreExecutors.java:399) [guava-21.0.jar:?]
	at com.google.common.eventbus.Subscriber.dispatchEvent(Subscriber.java:71) [guava-21.0.jar:?]
	at com.google.common.eventbus.Dispatcher$PerThreadQueuedDispatcher.dispatch(Dispatcher.java:116) [guava-21.0.jar:?]
	at com.google.common.eventbus.EventBus.post(EventBus.java:217) [guava-21.0.jar:?]
	at net.minecraftforge.fml.common.LoadController.distributeStateMessage(LoadController.java:136) [LoadController.class:?]
	at net.minecraftforge.fml.common.Loader.preinitializeMods(Loader.java:629) [Loader.class:?]
	at net.minecraftforge.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:252) [FMLClientHandler.class:?]
	at net.minecraft.client.Minecraft.init(Minecraft.java:467) [Minecraft.class:?]
	at net.minecraft.client.Minecraft.run(Minecraft.java:378) [Minecraft.class:?]
	at net.minecraft.client.main.Main.main(Main.java:118) [Main.class:?]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_221]
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_221]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_221]
	at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_221]
	at net.minecraft.launchwrapper.Launch.launch(Launch.java:135) [launchwrapper-1.12.jar:?]
	at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.12.jar:?]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_221]
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_221]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_221]
	at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_221]
	at net.minecraftforge.legacydev.Main.start(Main.java:86) [legacydev-0.2.3.1-fatjar.jar:0.2.3.1+4+372be23]
	at net.minecraftforge.legacydev.MainClient.main(MainClient.java:29) [legacydev-0.2.3.1-fatjar.jar:0.2.3.1+4+372be23]