[B#491]  [17:30:11] [main/INFO] [LaunchWrapper]: Loading tweak class name net.minecraftforge.fml.common.launcher.FMLTweaker
[B#491]  [17:30:11] [main/INFO] [LaunchWrapper]: Using primary tweak class name net.minecraftforge.fml.common.launcher.FMLTweaker
[B#491]  [17:30:11] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.common.launcher.FMLTweaker
[B#491]  [17:30:12] [main/INFO] [FML]: Forge Mod Loader version 14.23.5.2847 for Minecraft 1.12.2 loading
[B#491]  [17:30:12] [main/INFO] [FML]: Java is Java HotSpot(TM) 64-Bit Server VM, version 1.8.0_231, running on Windows 10:amd64:10.0, installed at C:\Program Files\Java\jre1.8.0_231
[B#491]  [17:30:12] [main/WARN] [FML]: The coremod FMLCorePlugin (net.minecraftforge.fml.relauncher.FMLCorePlugin) is not signed!
[B#491]  [17:30:12] [main/WARN] [FML]: The coremod FMLForgePlugin (net.minecraftforge.classloading.FMLForgePlugin) is not signed!
[B#491]  [17:30:12] [main/INFO] [FML]: Searching C:\Users\hongc\AppData\Roaming\.technic\modpacks\bears-world\mods for mods
[B#491]  [17:30:12] [main/WARN] [FML]: Found FMLCorePluginContainsFMLMod marker in InventoryTweaks-1.63.jar. This is not recommended, @Mods should be in a separate jar from the coremod.
[B#491]  [17:30:12] [main/WARN] [FML]: The coremod invtweaks.forge.asm.FMLPlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[B#491]  [17:30:12] [main/INFO] [FML]: Loading tweaker optifine.OptiFineForgeTweaker from OptiFine_1.12.2_HD_U_E3.jar
[B#491]  [17:30:12] [main/INFO] [LaunchWrapper]: Loading tweak class name net.minecraftforge.fml.common.launcher.FMLInjectionAndSortingTweaker
[B#491]  [17:30:12] [main/INFO] [LaunchWrapper]: Loading tweak class name optifine.OptiFineForgeTweaker
[B#491]  [17:30:12] [main/INFO] [LaunchWrapper]: Loading tweak class name net.minecraftforge.fml.common.launcher.FMLDeobfTweaker
[B#491]  [17:30:12] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.common.launcher.FMLInjectionAndSortingTweaker
[B#491]  [17:30:12] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.common.launcher.FMLInjectionAndSortingTweaker
[B#491]  [17:30:12] [main/INFO] [LaunchWrapper]: Calling tweak class optifine.OptiFineForgeTweaker
[B#491]  [17:30:12] [main/INFO] [STDOUT]: [optifine.OptiFineForgeTweaker:dbg:56]: OptiFineForgeTweaker: acceptOptions
[B#491]  [17:30:12] [main/INFO] [STDOUT]: [optifine.OptiFineForgeTweaker:dbg:56]: OptiFineForgeTweaker: injectIntoClassLoader
[B#491]  [17:30:12] [main/INFO] [STDOUT]: [optifine.OptiFineClassTransformer:dbg:221]: OptiFine ClassTransformer
[B#491]  [17:30:12] [main/INFO] [STDOUT]: [optifine.OptiFineClassTransformer:dbg:221]: OptiFine ZIP file: C:\Users\hongc\AppData\Roaming\.technic\modpacks\bears-world\mods\OptiFine_1.12.2_HD_U_E3.jar
[B#491]  [17:30:12] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.relauncher.CoreModManager$FMLPluginWrapper
[B#491]  [17:30:13] [main/FATAL] [FML]: Patcher expecting non-empty class data file for net.minecraft.crash.CrashReport$1, but received empty.
[B#491]  [17:30:13] [main/ERROR] [LaunchWrapper]: Unable to launch
[B#491]  java.lang.RuntimeException: java.lang.RuntimeException: Patcher expecting non-empty class data file for net.minecraft.crash.CrashReport$1, but received empty, your vanilla jar may be corrupt.
[B#491]  	at net.minecraftforge.fml.relauncher.CoreModManager$FMLPluginWrapper.injectIntoClassLoader(CoreModManager.java:169) ~[modpack.jar:?]
[B#491]  	at net.minecraft.launchwrapper.Launch.launch(Launch.java:115) [launchwrapper-1.12.jar:?]
[B#491]  	at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.12.jar:?]
[B#491]  Caused by: java.lang.RuntimeException: Patcher expecting non-empty class data file for net.minecraft.crash.CrashReport$1, but received empty, your vanilla jar may be corrupt.
[B#491]  	at net.minecraftforge.fml.common.patcher.ClassPatchManager.applyPatch(ClassPatchManager.java:114) ~[modpack.jar:?]
[B#491]  	at net.minecraftforge.fml.common.patcher.ClassPatchManager.getPatchedResource(ClassPatchManager.java:77) ~[modpack.jar:?]
[B#491]  	at net.minecraftforge.fml.common.asm.transformers.deobf.FMLDeobfuscatingRemapper.getFieldType(FMLDeobfuscatingRemapper.java:219) ~[modpack.jar:?]
[B#491]  	at net.minecraftforge.fml.common.asm.transformers.deobf.FMLDeobfuscatingRemapper.parseField(FMLDeobfuscatingRemapper.java:192) ~[modpack.jar:?]
[B#491]  	at net.minecraftforge.fml.common.asm.transformers.deobf.FMLDeobfuscatingRemapper.setup(FMLDeobfuscatingRemapper.java:161) ~[modpack.jar:?]
[B#491]  	at net.minecraftforge.fml.common.asm.FMLSanityChecker.injectData(FMLSanityChecker.java:187) ~[modpack.jar:?]
[B#491]  	at net.minecraftforge.fml.relauncher.CoreModManager$FMLPluginWrapper.injectIntoClassLoader(CoreModManager.java:164) ~[modpack.jar:?]
[B#491]  	... 2 more
[B#491]  Exception in thread "main" [17:30:13] [main/INFO] [STDERR]: [java.lang.ThreadGroup:uncaughtException:-1]: net.minecraftforge.fml.relauncher.FMLSecurityManager$ExitTrappedException
[B#491]  [17:30:13] [main/INFO] [STDERR]: [java.lang.ThreadGroup:uncaughtException:-1]: 	at net.minecraftforge.fml.relauncher.FMLSecurityManager.checkPermission(FMLSecurityManager.java:49)
[B#491]  [17:30:13] [main/INFO] [STDERR]: [java.lang.ThreadGroup:uncaughtException:-1]: 	at java.lang.SecurityManager.checkExit(Unknown Source)
[B#491]  [17:30:13] [main/INFO] [STDERR]: [java.lang.ThreadGroup:uncaughtException:-1]: 	at java.lang.Runtime.exit(Unknown Source)
[B#491]  [17:30:13] [main/INFO] [STDERR]: [java.lang.ThreadGroup:uncaughtException:-1]: 	at java.lang.System.exit(Unknown Source)
[B#491]  [17:30:13] [main/INFO] [STDERR]: [java.lang.ThreadGroup:uncaughtException:-1]: 	at net.minecraft.launchwrapper.Launch.launch(Launch.java:138)
[B#491]  [17:30:13] [main/INFO] [STDERR]: [java.lang.ThreadGroup:uncaughtException:-1]: 	at net.minecraft.launchwrapper.Launch.main(Launch.java:28)