Here's what I did:
Installed "installer" for 1.13.2 and the latest version.
I then clicked the jar file and let it install the program.
I went to Minecraft's launcher when you normally select it and chose to play the 1.13.2-forge-25.0204 game.
Then I get the picture I uploaded.
These are the logs, I don't know what any of it means:
[13May2019 20:59:42.861] [main/INFO] [cpw.mods.modlauncher.Launcher/MODLAUNCHER]: ModLauncher starting: java version 1.8.0_51
[13May2019 20:59:45.486] [main/INFO] [net.minecraftforge.fml.loading.FixSSL/CORE]: Added Lets Encrypt root certificates as additional trust
[13May2019 20:59:48.173] [main/INFO] [cpw.mods.modlauncher.LaunchServiceHandler/MODLAUNCHER]: Launching target 'fmlclient' with arguments [--version, 1.13.2-forge-25.0.204, --gameDir, C:\Users\amber\AppData\Roaming\.minecraft, --assetsDir, C:\Users\amber\AppData\Roaming\.minecraft\assets, --username, IrishArtist, --assetIndex, 1.13.1, --uuid, cefb1a5c21a543acbcf1b8ff7d72daa4, --accessToken, ????????, --userType, mojang, --versionType, release]
[13May2019 20:59:51.300] [Client thread/INFO] [net.minecraft.client.Minecraft/]: Setting user: IrishArtist
[13May2019 21:00:01.144] [Client thread/INFO] [net.minecraft.client.Minecraft/]: LWJGL Version: 3.1.6 build 14
[13May2019 21:00:09.885] [Client thread/INFO] [net.minecraftforge.fml.ModLoader/CORE]: Loading Network data for FML net version: FML2
[13May2019 21:00:10.064] [modloading-worker-1/ERROR] [net.minecraftforge.fml.javafmlmod.FMLModContainer/LOADING]: Failed to create mod instance. ModID: forge, class net.minecraftforge.common.ForgeMod
java.lang.ExceptionInInitializerError: null
at net.minecraftforge.common.ForgeMod.<init>(ForgeMod.java:89) ~[?:?]
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[?:1.8.0_51]
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[?:1.8.0_51]
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[?:1.8.0_51]
at java.lang.reflect.Constructor.newInstance(Constructor.java:422) ~[?:1.8.0_51]
at java.lang.Class.newInstance(Class.java:442) ~[?:1.8.0_51]
at net.minecraftforge.fml.javafmlmod.FMLModContainer.constructMod(FMLModContainer.java:130) [?:?]
at net.minecraftforge.fml.javafmlmod.FMLModContainer$$Lambda$1300/294436333.accept(Unknown Source) [?:?]
at java.util.function.Consumer.lambda$andThen$14(Consumer.java:65) [?:1.8.0_51]
at java.util.function.Consumer$$Lambda$1299/695980401.accept(Unknown Source) [?:1.8.0_51]
at java.util.function.Consumer.lambda$andThen$14(Consumer.java:65) [?:1.8.0_51]
at java.util.function.Consumer$$Lambda$1299/695980401.accept(Unknown Source) [?:1.8.0_51]
at net.minecraftforge.fml.ModContainer.transitionState(ModContainer.java:111) [?:?]
at net.minecraftforge.fml.ModList.lambda$null$9(ModList.java:120) [?:?]
at net.minecraftforge.fml.ModList$$Lambda$1344/1436292329.accept(Unknown Source) [?:?]
at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) [?:1.8.0_51]
at java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1374) [?:1.8.0_51]
at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:512) [?:1.8.0_51]
at java.util.stream.ForEachOps$ForEachTask.compute(ForEachOps.java:291) [?:1.8.0_51]
at java.util.concurrent.CountedCompleter.exec(CountedCompleter.java:731) [?:1.8.0_51]
at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) [?:1.8.0_51]
at java.util.concurrent.ForkJoinTask.doInvoke(ForkJoinTask.java:401) [?:1.8.0_51]
at java.util.concurrent.ForkJoinTask.invoke(ForkJoinTask.java:734) [?:1.8.0_51]
at java.util.stream.ForEachOps$ForEachOp.evaluateParallel(ForEachOps.java:160) [?:1.8.0_51]
at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateParallel(ForEachOps.java:174) [?:1.8.0_51]
at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:233) [?:1.8.0_51]
at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) [?:1.8.0_51]
at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:583) [?:1.8.0_51]
at net.minecraftforge.fml.ModList.lambda$dispatchParallelEvent$10(ModList.java:120) [?:?]
at net.minecraftforge.fml.ModList$$Lambda$1343/100782741.run(Unknown Source) [?:?]
at java.util.concurrent.ForkJoinTask$AdaptedRunnableAction.exec(ForkJoinTask.java:1386) [?:1.8.0_51]
at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) [?:1.8.0_51]
at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) [?:1.8.0_51]
at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) [?:1.8.0_51]
at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) [?:1.8.0_51]
Caused by: java.lang.NullPointerException
at net.minecraftforge.fml.loading.JarVersionLookupHandler.getImplementationVersion(JarVersionLookupHandler.java:42) ~[forge-1.13.2-25.0.204.jar:25.0]
at net.minecraftforge.versions.forge.ForgeVersion.<clinit>(ForgeVersion.java:44) ~[?:?]
... 35 more
[13May2019 21:00:10.179] [Client thread/FATAL] [net.minecraftforge.fml.ModLoader/LOADING]: Failed to complete lifecycle event CONSTRUCT, 1 errors found
[13May2019 21:00:10.179] [Client thread/FATAL] [net.minecraftforge.eventbus.EventBus/EVENTBUS]: EventBus 0 shutting down - future events will not be posted.
java.lang.Exception: stacktrace
at net.minecraftforge.eventbus.EventBus.shutdown(EventBus.java:274) [eventbus-0.9.2-service.jar:?]
at net.minecraftforge.fml.client.ClientModLoader.begin(ClientModLoader.java:65) [?:?]
at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:412) [?:?]
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:345) [?:?]
at net.minecraft.client.main.Main.main(SourceFile:144) [?:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_51]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_51]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_51]
at java.lang.reflect.Method.invoke(Method.java:497) ~[?:1.8.0_51]
at net.minecraftforge.fml.loading.FMLClientLaunchProvider.lambda$launchService$0(FMLClientLaunchProvider.java:51) [forge-1.13.2-25.0.204.jar:25.0]
at net.minecraftforge.fml.loading.FMLClientLaunchProvider$$Lambda$291/2017797638.call(Unknown Source) [forge-1.13.2-25.0.204.jar:25.0]
at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:19) [modlauncher-1.1.1.jar:?]
at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:32) [modlauncher-1.1.1.jar:?]
at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:50) [modlauncher-1.1.1.jar:?]
at cpw.mods.modlauncher.Launcher.run(Launcher.java:57) [modlauncher-1.1.1.jar:?]
at cpw.mods.modlauncher.Launcher.main(Launcher.java:43) [modlauncher-1.1.1.jar:?]
[13May2019 21:00:10.212] [Client thread/INFO] [net.minecraft.resources.SimpleReloadableResourceManager/]: Reloading ResourceManager: forge-1.13.2-25.0.204-universal.jar, Default, NaturalRealism Resource Pack1.13.zip
[13May2019 21:00:12.280] [Sound Library Loader/INFO] [net.minecraft.client.audio.SoundManager/]: Starting up SoundSystem version 201809301515...
[13May2019 21:00:12.579] [Thread-5/INFO] [net.minecraft.client.audio.SoundManager/]: Initializing No Sound
[13May2019 21:00:12.579] [Thread-5/INFO] [net.minecraft.client.audio.SoundManager/]: (Silent Mode)
[13May2019 21:00:12.657] [Thread-5/INFO] [net.minecraft.client.audio.SoundManager/]: OpenAL initialized.
[13May2019 21:00:12.883] [Sound Library Loader/INFO] [net.minecraft.client.audio.SoundManager/SOUNDS]: Preloading sound minecraft:sounds/ambient/underwater/underwater_ambience.ogg
[13May2019 21:00:12.884] [Sound Library Loader/INFO] [net.minecraft.client.audio.SoundManager/SOUNDS]: Sound engine started
[13May2019 21:00:14.451] [Client thread/WARN] [net.minecraft.client.renderer.model.ModelBakery/]: Exception loading blockstate definition: 'minecraft:blockstates/cobblestone.json' in resourcepack: 'NaturalRealism Resource Pack1.13.zip' for variant: 'normal': Unknown blockstate property: 'normal'
[13May2019 21:00:14.493] [Client thread/WARN] [net.minecraft.client.renderer.model.ModelBakery/]: Exception loading blockstate definition: 'minecraft:blockstates/gravel.json' in resourcepack: 'NaturalRealism Resource Pack1.13.zip' for variant: 'normal': Unknown blockstate property: 'normal'
[13May2019 21:00:14.498] [Client thread/WARN] [net.minecraft.client.renderer.model.ModelBakery/]: Exception loading blockstate definition: 'minecraft:blockstates/iron_ore.json' in resourcepack: 'NaturalRealism Resource Pack1.13.zip' for variant: 'normal': Unknown blockstate property: 'normal'
[13May2019 21:00:14.501] [Client thread/WARN] [net.minecraft.client.renderer.model.ModelBakery/]: Exception loading blockstate definition: 'minecraft:blockstates/coal_ore.json' in resourcepack: 'NaturalRealism Resource Pack1.13.zip' for variant: 'normal': Unknown blockstate property: 'normal'
[13May2019 21:00:14.574] [Client thread/WARN] [net.minecraft.client.renderer.model.ModelBakery/]: Exception loading blockstate definition: 'minecraft:blockstates/lapis_ore.json' in resourcepack: 'NaturalRealism Resource Pack1.13.zip' for variant: 'normal': Unknown blockstate property: 'normal'
[13May2019 21:00:14.583] [Client thread/WARN] [net.minecraft.client.renderer.model.ModelBakery/]: Exception loading blockstate definition: 'minecraft:blockstates/sandstone.json' in resourcepack: 'NaturalRealism Resource Pack1.13.zip' for variant: 'normal': Unknown blockstate property: 'normal'
[13May2019 21:00:14.585] [Client thread/WARN] [net.minecraft.client.renderer.model.ModelBakery/]: Exception loading blockstate definition: 'minecraft:blockstates/chiseled_sandstone.json' in resourcepack: 'NaturalRealism Resource Pack1.13.zip' for variant: 'normal': Unknown blockstate property: 'normal'
[13May2019 21:00:14.734] [Client thread/WARN] [net.minecraft.client.renderer.model.ModelBakery/]: Exception loading blockstate definition: 'minecraft:blockstates/mossy_cobblestone.json' in resourcepack: 'NaturalRealism Resource Pack1.13.zip' for variant: 'normal': Unknown blockstate property: 'normal'
[13May2019 21:00:14.902] [Client thread/WARN] [net.minecraft.client.renderer.model.ModelBakery/]: Exception loading blockstate definition: 'minecraft:blockstates/diamond_ore.json' in resourcepack: 'NaturalRealism Resource Pack1.13.zip' for variant: 'normal': Unknown blockstate property: 'normal'
[13May2019 21:00:14.997] [Client thread/WARN] [net.minecraft.client.renderer.model.ModelBakery/]: Exception loading blockstate definition: 'minecraft:blockstates/redstone_ore.json' in resourcepack: 'NaturalRealism Resource Pack1.13.zip' for variant: 'normal': Unknown blockstate property: 'normal'
[13May2019 21:00:15.299] [Client thread/WARN] [net.minecraft.client.renderer.model.ModelBakery/]: Exception loading blockstate definition: 'minecraft:blockstates/end_stone.json' in resourcepack: 'NaturalRealism Resource Pack1.13.zip' for variant: 'normal': Unknown blockstate property: 'normal'
[13May2019 21:00:15.315] [Client thread/WARN] [net.minecraft.client.renderer.model.ModelBakery/]: Exception loading blockstate definition: 'minecraft:blockstates/emerald_ore.json' in resourcepack: 'NaturalRealism Resource Pack1.13.zip' for variant: 'normal': Unknown blockstate property: 'normal'
[13May2019 21:00:15.722] [Client thread/WARN] [net.minecraft.client.renderer.model.ModelBakery/]: Exception loading blockstate definition: 'minecraft:blockstates/red_sandstone.json' in resourcepack: 'NaturalRealism Resource Pack1.13.zip' for variant: 'normal': Unknown blockstate property: 'normal'
[13May2019 21:00:15.724] [Client thread/WARN] [net.minecraft.client.renderer.model.ModelBakery/]: Exception loading blockstate definition: 'minecraft:blockstates/chiseled_red_sandstone.json' in resourcepack: 'NaturalRealism Resource Pack1.13.zip' for variant: 'normal': Unknown blockstate property: 'normal'
[13May2019 21:00:15.775] [Client thread/WARN] [net.minecraft.client.renderer.model.ModelBakery/]: Exception loading blockstate definition: 'minecraft:blockstates/smooth_sandstone.json' in resourcepack: 'NaturalRealism Resource Pack1.13.zip' for variant: 'normal': Unknown blockstate property: 'normal'
[13May2019 21:00:15.778] [Client thread/WARN] [net.minecraft.client.renderer.model.ModelBakery/]: Exception loading blockstate definition: 'minecraft:blockstates/smooth_red_sandstone.json' in resourcepack: 'NaturalRealism Resource Pack1.13.zip' for variant: 'normal': Unknown blockstate property: 'normal'
[13May2019 21:00:15.867] [Client thread/WARN] [net.minecraft.client.renderer.model.ModelBakery/]: Exception loading blockstate definition: 'minecraft:blockstates/grass_path.json' in resourcepack: 'NaturalRealism Resource Pack1.13.zip' for variant: 'normal': Unknown blockstate property: 'normal'
[13May2019 21:00:17.061] [Client thread/INFO] [net.minecraft.client.renderer.texture.TextureMap/]: Max texture size: 16384
[13May2019 21:00:18.268] [Client thread/INFO] [net.minecraft.client.renderer.texture.TextureMap/]: Created: 512x512 textures-atlas
[13May2019 21:00:19.566] [Client thread/ERROR] [net.minecraftforge.fml.ModLoader/LOADING]: Skipping lifecycle event ENQUEUE_IMC, 1 errors found.
[13May2019 21:00:19.566] [Client thread/FATAL] [net.minecraftforge.fml.ModLoader/LOADING]: Failed to complete lifecycle event ENQUEUE_IMC, 1 errors found
[13May2019 21:00:19.566] [Client thread/FATAL] [net.minecraftforge.eventbus.EventBus/EVENTBUS]: EventBus 0 shutting down - future events will not be posted.
java.lang.Exception: stacktrace
at net.minecraftforge.eventbus.EventBus.shutdown(EventBus.java:274) [eventbus-0.9.2-service.jar:?]
at net.minecraftforge.fml.client.ClientModLoader.end(ClientModLoader.java:76) [?:?]
at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:479) [?:?]
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:345) [?:?]
at net.minecraft.client.main.Main.main(SourceFile:144) [?:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_51]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_51]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_51]
at java.lang.reflect.Method.invoke(Method.java:497) ~[?:1.8.0_51]
at net.minecraftforge.fml.loading.FMLClientLaunchProvider.lambda$launchService$0(FMLClientLaunchProvider.java:51) [forge-1.13.2-25.0.204.jar:25.0]
at net.minecraftforge.fml.loading.FMLClientLaunchProvider$$Lambda$291/2017797638.call(Unknown Source) [forge-1.13.2-25.0.204.jar:25.0]
at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:19) [modlauncher-1.1.1.jar:?]
at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:32) [modlauncher-1.1.1.jar:?]
at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:50) [modlauncher-1.1.1.jar:?]
at cpw.mods.modlauncher.Launcher.run(Launcher.java:57) [modlauncher-1.1.1.jar:?]
at cpw.mods.modlauncher.Launcher.main(Launcher.java:43) [modlauncher-1.1.1.jar:?]
[13May2019 21:00:19.638] [Client thread/INFO] [com.mojang.text2speech.NarratorWindows/]: Narrator library for x64 successfully loaded