I've tried to fix it myself but don't understand how to i've tried uninstalling minecraft completely then reinstalling still didnt work also tried the same thing with forge and got the newest update still won't work. Here is the crash log if need be.
---- Minecraft Crash Report ----
// But it works on my machine.
Time: 6/13/19 12:48 PM
Description: Initializing game
java.lang.NoClassDefFoundError: net/minecraftforge/common/IRarity
at de.ellpeck.actuallyadditions.mod.blocks.InitBlocks.init(InitBlocks.java:122)
at de.ellpeck.actuallyadditions.mod.RegistryHandler.onBlockRegistry(RegistryHandler.java:31)
at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_52_RegistryHandler_onBlockRegistry_Register.invoke(.dynamic)
at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:90)
at net.minecraftforge.fml.common.eventhandler.EventBus$1.invoke(EventBus.java:143)
at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:179)
at net.minecraftforge.registries.GameData.fireRegistryEvents(GameData.java:734)
at net.minecraftforge.fml.common.Loader.preinitializeMods(Loader.java:603)
at net.minecraftforge.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:270)
at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:466)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:377)
at net.minecraft.client.main.Main.main(SourceFile:123)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
Caused by: java.lang.ClassNotFoundException: net.minecraftforge.common.IRarity
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:101)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 18 more
A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------
-- Head --
Thread: Client thread
Stacktrace:
at de.ellpeck.actuallyadditions.mod.blocks.InitBlocks.init(InitBlocks.java:122)
at de.ellpeck.actuallyadditions.mod.RegistryHandler.onBlockRegistry(RegistryHandler.java:31)
at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_52_RegistryHandler_onBlockRegistry_Register.invoke(.dynamic)
at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:90)
at net.minecraftforge.fml.common.eventhandler.EventBus$1.invoke(EventBus.java:143)
at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:179)
at net.minecraftforge.registries.GameData.fireRegistryEvents(GameData.java:734)
at net.minecraftforge.fml.common.Loader.preinitializeMods(Loader.java:603)
at net.minecraftforge.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:270)
at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:466)
-- Initialization --
Details:
Stacktrace:
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:377)
at net.minecraft.client.main.Main.main(SourceFile:123)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
-- System Details --
Details:
Minecraft Version: 1.12.2
Operating System: Windows 7 (amd64) version 6.1
Java Version: 1.8.0_51, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 1365547080 bytes (1302 MB) / 1711276032 bytes (1632 MB) up to 2147483648 bytes (2048 MB)
JVM Flags: 8 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx2G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
FML: MCP 9.42 Powered by Forge 14.23.0.2529 15 mods loaded, 15 mods active
States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored
| State | ID | Version | Source | Signature |
|:----- |:----------------- |:-------------- |:---------------------------------------------------- |:---------------------------------------- |
| UCH | minecraft | 1.12.2 | minecraft.jar | None |
| UCH | mcp | 9.42 | minecraft.jar | None |
| UCH | FML | 8.0.99.99 | forge-1.12.2-14.23.0.2529.jar | e3c3d50c7c986df74c645c0ac54639741c90a557 |
| UCH | forge | 14.23.0.2529 | forge-1.12.2-14.23.0.2529.jar | e3c3d50c7c986df74c645c0ac54639741c90a557 |
| UCH | mercurius_updater | 1.0 | MercuriusUpdater-1.12.2.jar | None |
| UCE | actuallyadditions | 1.12.2-r148 | ActuallyAdditions-1.12.2-r148.jar | None |
| UCH | chameleon | 1.12-4.1.3 | Chameleon-Library-1.12.jar | None |
| UCH | fastleafdecay | v14 | FastLeafDecay-Mod-1.12.1.jar | None |
| UCH | waila | 1.8.26 | Hwyla-1.8.26-B41_1.12.2.jar | None |
| UCH | journeymap | 1.12.2-5.5.4 | journeymap-1.12.2-5.5.4.jar | None |
| UCH | harvestcraft | 1.12.2zb | Pam's+HarvestCraft+1.12.2zd+Surprise+for+Yogcast.jar | None |
| UCE | projecte | 1.12.2-PE1.4.1 | ProjectE-1.12.2-PE1.4.1.jar | None |
| UCH | reborncore | 3.13.12.447 | RebornCore-1.12.2-3.13.12.447-universal.jar | 8727a3141c8ec7f173b87aa78b9b9807867c4e6b |
| UCH | stevescarts | 2.4.30.134 | StevesCarts-1.12.2-2.4.30.134.jar | None |
| UCH | storagedrawers | 1.12-5.2.5 | Storage-Drawers-Mod-1.12.jar | None |
Loaded coremods (and transformers):
GL info: ' Vendor: 'Intel' Version: '2.1.0 - Build 8.15.10.1872' Renderer: 'Mobile Intel(R) 4 Series Express Chipset Family'
RebornCore:
Plugin Engine: 0
RebornCore Version: 3.13.12.447
Runtime Debofucsation 1
RenderEngine: 0
Launched Version: 1.12.2-forge1.12.2-14.23.0.2529
LWJGL: 2.9.4
OpenGL: Mobile Intel(R) 4 Series Express Chipset Family GL version 2.1.0 - Build 8.15.10.1872, Intel
GL Caps: Using GL 1.3 multitexturing.
Using GL 1.3 texture combiners.
Using framebuffer objects because EXT_framebuffer_object is supported.
Shaders are available because OpenGL 2.1 is supported.
VBOs are available because OpenGL 1.5 is supported.
Using VBOs: Yes
Is Modded: Definitely; Client brand changed to 'fml,forge'
Type: Client (map_client.txt)
Resource Packs:
Current Language: English (US)
Profiler Position: N/A (disabled)
CPU: 2x Genuine Intel(R) CPU U4100 @ 1.30GHz