DazDrag

so what i must do? delete the optifine or what?

first time i play minceraft at 1.8.9, and i download optifine and forge, then now i dowwnload 1.12 forge with optifine. when i want play 1.8.9 it keep crashed here the crash reports ---- Minecraft Crash Report ---- WARNING: coremods are present: Contact their authors BEFORE contacting forge // Don't be sad. I'll do better next time, I promise! Time: 6/23/17 9:25 AM Description: Initializing game java.lang.NoClassDefFoundError: cep at java.lang.Class.getDeclaredFields0(Native Method) at java.lang.Class.privateGetDeclaredFields(Unknown Source) at java.lang.Class.getField0(Unknown Source) at java.lang.Class.getField(Unknown Source) at net.minecraftforge.fml.client.FMLClientHandler.detectOptifine(FMLClientHandler.java:277) at net.minecraftforge.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:191) at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:417) at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:329) at net.minecraft.client.main.Main.main(SourceFile:124) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at net.minecraft.launchwrapper.Launch.launch(Launch.java:135) at net.minecraft.launchwrapper.Launch.main(Launch.java:28) Caused by: java.lang.ClassNotFoundException: cep at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191) at java.lang.ClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) ... 15 more Caused by: java.lang.NullPointerException at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:182) ... 17 more A detailed walkthrough of the error, its code path and all known details is as follows: --------------------------------------------------------------------------------------- -- Head -- Stacktrace: at java.lang.Class.getDeclaredFields0(Native Method) at java.lang.Class.privateGetDeclaredFields(Unknown Source) at java.lang.Class.getField0(Unknown Source) at java.lang.Class.getField(Unknown Source) at net.minecraftforge.fml.client.FMLClientHandler.detectOptifine(FMLClientHandler.java:277) at net.minecraftforge.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:191) at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:417) -- Initialization -- Details: Stacktrace: at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:329) at net.minecraft.client.main.Main.main(SourceFile:124) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at net.minecraft.launchwrapper.Launch.launch(Launch.java:135) at net.minecraft.launchwrapper.Launch.main(Launch.java:28) -- System Details -- Details: Minecraft Version: 1.8.9 Operating System: Windows 10 (x86) version 10.0 Java Version: 1.8.0_66, Oracle Corporation Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation Memory: 64697120 bytes (61 MB) / 225103872 bytes (214 MB) up to 523501568 bytes (499 MB) JVM Flags: 6 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx512M -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0 FML: Loaded coremods (and transformers): Launched Version: 1.8.9-forge1.8.9-11.15.1.1722 LWJGL: 2.9.4 OpenGL: AMD Radeon HD 7310 Graphics GL version 4.5.13399 Compatibility Profile Context 15.201.1151.0, ATI Technologies Inc. GL Caps: Using GL 1.3 multi pls give me the solution thanks