custom npcs skydaz crash on launch

1.6.4 Crash Windows

#1 Mar 25, 2015
hoof100
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I need help, my minecraft keeps crashing with custom npcs installed from skydaz, here is the crash report

Mar 25, 2015 6:44:32 PM net.minecraft.launchwrapper.LogWrapper log
INFO: Loading tweak class name cpw.mods.fml.common.launcher.FMLTweaker
Mar 25, 2015 6:44:32 PM net.minecraft.launchwrapper.LogWrapper log
INFO: Using primary tweak class name cpw.mods.fml.common.launcher.FMLTweaker
Mar 25, 2015 6:44:32 PM net.minecraft.launchwrapper.LogWrapper log
INFO: Calling tweak class cpw.mods.fml.common.launcher.FMLTweaker
2015-03-25 18:44:33 [INFO] [ForgeModLoader] Forge Mod Loader version 6.4.49.965 for Minecraft 1.6.4 loading
2015-03-25 18:44:33 [INFO] [ForgeModLoader] Java is Java HotSpot(TM) 64-Bit Server VM, version 1.8.0_25, running on Windows 8:amd64:6.2, installed at C:\Program Files (x86)\Minecraft\runtime\jre-x64\1.8.0_25
2015-03-25 18:44:33 [WARNING] [ForgeModLoader] The coremod am2.preloader.AM2PreloaderContainer does not have a MCVersion annotation, it may cause issues with this version of Minecraft
2015-03-25 18:44:33 [INFO] [ForgeModLoader] AMCore initializing...stand back! I'm going to try MAGIC!
2015-03-25 18:44:33 [INFO] [STDERR] java.lang.NoClassDefFoundError: org/apache/logging/log4j/LogManager
2015-03-25 18:44:33 [INFO] [STDERR] at codechicken.core.launch.CodeChickenCorePlugin.<clinit>(CodeChickenCorePlugin.java:38)
2015-03-25 18:44:33 [INFO] [STDERR] at java.lang.Class.forName0(Native Method)
2015-03-25 18:44:33 [INFO] [STDERR] at java.lang.Class.forName(Class.java:344)
2015-03-25 18:44:33 [INFO] [STDERR] at cpw.mods.fml.relauncher.CoreModManager.loadCoreMod(CoreModManager.java:386)
2015-03-25 18:44:33 [INFO] [STDERR] at cpw.mods.fml.relauncher.CoreModManager.discoverCoreMods(CoreModManager.java:310)
2015-03-25 18:44:33 [INFO] [STDERR] at cpw.mods.fml.relauncher.CoreModManager.handleLaunch(CoreModManager.java:212)
2015-03-25 18:44:33 [INFO] [STDERR] at cpw.mods.fml.relauncher.FMLLaunchHandler.setupHome(FMLLaunchHandler.java:90)
2015-03-25 18:44:33 [INFO] [STDERR] at cpw.mods.fml.relauncher.FMLLaunchHandler.setupClient(FMLLaunchHandler.java:67)
2015-03-25 18:44:33 [INFO] [STDERR] at cpw.mods.fml.relauncher.FMLLaunchHandler.configureForClientLaunch(FMLLaunchHandler.java:34)
2015-03-25 18:44:33 [INFO] [STDERR] at cpw.mods.fml.common.launcher.FMLTweaker.injectIntoClassLoader(FMLTweaker.java:124)
2015-03-25 18:44:33 [INFO] [STDERR] at net.minecraft.launchwrapper.Launch.launch(Launch.java:111)
2015-03-25 18:44:33 [INFO] [STDERR] at net.minecraft.launchwrapper.Launch.main(Launch.java:27)
2015-03-25 18:44:33 [INFO] [STDERR] Caused by: java.lang.ClassNotFoundException: org.apache.logging.log4j.LogManager
2015-03-25 18:44:33 [INFO] [STDERR] at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:186)
2015-03-25 18:44:33 [INFO] [STDERR] at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
2015-03-25 18:44:33 [INFO] [STDERR] at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
2015-03-25 18:44:33 [INFO] [STDERR] ... 12 more
2015-03-25 18:44:33 [INFO] [STDERR] Caused by: java.lang.NullPointerException
2015-03-25 18:44:33 [INFO] [STDERR] at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:178)
2015-03-25 18:44:33 [INFO] [STDERR] ... 14 more
2015-03-25 18:44:33 [SEVERE] [ForgeModLoader] An error occurred trying to configure the minecraft home at C:\Users\bonna_000\AppData\Roaming\.minecraft for Forge Mod Loader
java.lang.NoClassDefFoundError: org/apache/logging/log4j/LogManager
at codechicken.core.launch.CodeChickenCorePlugin.<clinit>(CodeChickenCorePlugin.java:38)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:344)
at cpw.mods.fml.relauncher.CoreModManager.loadCoreMod(CoreModManager.java:386)
at cpw.mods.fml.relauncher.CoreModManager.discoverCoreMods(CoreModManager.java:310)
at cpw.mods.fml.relauncher.CoreModManager.handleLaunch(CoreModManager.java:212)
at cpw.mods.fml.relauncher.FMLLaunchHandler.setupHome(FMLLaunchHandler.java:90)
at cpw.mods.fml.relauncher.FMLLaunchHandler.setupClient(FMLLaunchHandler.java:67)
at cpw.mods.fml.relauncher.FMLLaunchHandler.configureForClientLaunch(FMLLaunchHandler.java:34)
at cpw.mods.fml.common.launcher.FMLTweaker.injectIntoClassLoader(FMLTweaker.java:124)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:111)
at net.minecraft.launchwrapper.Launch.main(Launch.java:27)
Caused by: java.lang.ClassNotFoundException: org.apache.logging.log4j.LogManager
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:186)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 12 more
Caused by: java.lang.NullPointerException
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:178)
... 14 more
2015-03-25 18:44:33 [INFO] [STDERR] Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/logging/log4j/LogManager
2015-03-25 18:44:33 [INFO] [STDERR] at codechicken.core.launch.CodeChickenCorePlugin.<clinit>(CodeChickenCorePlugin.java:38)
2015-03-25 18:44:33 [INFO] [STDERR] at java.lang.Class.forName0(Native Method)
2015-03-25 18:44:33 [INFO] [STDERR] at java.lang.Class.forName(Class.java:344)
2015-03-25 18:44:33 [INFO] [STDERR] at cpw.mods.fml.relauncher.CoreModManager.loadCoreMod(CoreModManager.java:386)
2015-03-25 18:44:33 [INFO] [STDERR] at cpw.mods.fml.relauncher.CoreModManager.discoverCoreMods(CoreModManager.java:310)
2015-03-25 18:44:33 [INFO] [STDERR] at cpw.mods.fml.relauncher.CoreModManager.handleLaunch(CoreModManager.java:212)
2015-03-25 18:44:33 [INFO] [STDERR] at cpw.mods.fml.relauncher.FMLLaunchHandler.setupHome(FMLLaunchHandler.java:90)
2015-03-25 18:44:33 [INFO] [STDERR] at cpw.mods.fml.relauncher.FMLLaunchHandler.setupClient(FMLLaunchHandler.java:67)
2015-03-25 18:44:33 [INFO] [STDERR] at cpw.mods.fml.relauncher.FMLLaunchHandler.configureForClientLaunch(FMLLaunchHandler.java:34)
2015-03-25 18:44:33 [INFO] [STDERR] at cpw.mods.fml.common.launcher.FMLTweaker.injectIntoClassLoader(FMLTweaker.java:124)
2015-03-25 18:44:33 [INFO] [STDERR] at net.minecraft.launchwrapper.Launch.launch(Launch.java:111)
2015-03-25 18:44:33 [INFO] [STDERR] at net.minecraft.launchwrapper.Launch.main(Launch.java:27)
2015-03-25 18:44:33 [INFO] [STDERR] Caused by: java.lang.ClassNotFoundException: org.apache.logging.log4j.LogManager
2015-03-25 18:44:33 [INFO] [STDERR] at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:186)
2015-03-25 18:44:33 [INFO] [STDERR] at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
2015-03-25 18:44:33 [INFO] [STDERR] at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
2015-03-25 18:44:33 [INFO] [STDERR] ... 12 more
2015-03-25 18:44:33 [INFO] [STDERR] Caused by: java.lang.NullPointerException
2015-03-25 18:44:33 [INFO] [STDERR] at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:178)
2015-03-25 18:44:33 [INFO] [STDERR] ... 14 more
Java HotSpot(TM) 64-Bit Server VM warning: Using incremental CMS is deprecated and will likely be removed in a future release

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#3 Mar 26, 2015
Victini888
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Get Legacy Java Fixer. It's a mod, just drop it in the mods folder http://files.minecraftforge.net/LegacyJavaFixer/legacyjavafixer-1.0.jar

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#4 Mar 26, 2015
PlatinumDefend
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Quote from Electrifeye »

Now I don't have an encyclopedic knowledge of all the mod scam/repost/ripoff/malware sites, but I don't know much about this website, so I'd guess it's one of them.

Sites like these distribute reposted, edited, or just plain fake versions of minecraft mods that often don't work, leaving the mod authors with pepole complaining the mod doesn't work. Only download from the author's original post, nowhere else. the general rule of thumb I use is, if it's from minecraftforums.net, curse.com or planetminecraft.com, or something that is obviously a mod author's official website, it's probably safe. Take exteme caution if it's not one of these sites, because it's almost always not the author's post, and at best, you're giving ad revenue to some guy ripping off people's mods. At worst, you're infecting your computer with malware.

tl; dr, ONLY USE OFFICIAL MOD SITES & THREADS!

EDIT: Here is the official mod thread for customnpcs. the download link is near the top: http://www.minecraftforum.net/forums/mapping-and-modding/minecraft-mods/1278956-custom-npcs

Skydaz is generally a pretty reliable site, but this could still be the case.

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