Can't start up a custom modpack because " Failed to create mod instance"

[Rasmot2]

Sorry for the disturbance but I don't now what is that supposed to say, please help me.

 

The error message:

Failed to create mod instance. ModID: simple_mobs, class net.mcreator.simplemobs.SimpleMobsMod java.lang.reflect.InvocationTargetException at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:77) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at LAYER PLUGIN/[email protected]/net.minecraftforge.fml.javafmlmod.FMLModContainer.constructMod(FMLModContainer.java:67) at LAYER PLUGIN/[email protected]/net.minecraftforge.fml.ModContainer.lambda$buildTransitionHandler$4(ModContainer.java:106) at java.base/java.util.concurrent.CompletableFuture$AsyncRun.run(CompletableFuture.java:1804) at java.base/java.util.concurrent.CompletableFuture$AsyncRun.exec(CompletableFuture.java:1796) at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:373) at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1182) at java.base/java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1655) at java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1622) at java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:165) Caused by: java.lang.NoClassDefFoundError: yesman/epicfight/gameasset/Models at TRANSFORMER/[email protected]/net.mcreator.simplemobs.SimpleMobsMod.<init>(SimpleMobsMod.java:54) ... 14 more Caused by: java.lang.ClassNotFoundException: yesman.epicfight.gameasset.Models at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:641) at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:520) at [email protected]/cpw.mods.cl.ModuleClassLoader.loadClass(ModuleClassLoader.java:137) at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:520) at [email protected]/cpw.mods.cl.ModuleClassLoader.loadClass(ModuleClassLoader.java:137) at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:520)

 

[warjort]

Quote

Failed to create mod instance. ModID: simple_mobs, class net.mcreator.simplemobs.SimpleMobsMod java.lang.reflect.InvocationTargetException at

Check you have the latest version then contact the mod author.

NOTE: 1.18 is no longer supported in this forum.