I made my own mob using forge and this is the log
2013-06-18 21:55:54 [iNFO] [ForgeModLoader] Forge Mod Loader version 5.2.23.737 for Minecraft 1.5.2 loading
2013-06-18 21:55:54 [iNFO] [ForgeModLoader] Java is Java HotSpot Client VM, version 1.7.0_21, running on Windows XP:x86:5.1, installed at C:\Program Files\Java\jre7
2013-06-18 21:55:54 [iNFO] [ForgeModLoader] Managed to load a deobfuscated Minecraft name- we are in a deobfuscated environment. Skipping runtime deobfuscation
2013-06-18 21:55:58 [iNFO] [sTDOUT] 229 recipes
2013-06-18 21:55:58 [iNFO] [sTDOUT] 27 achievements
2013-06-18 21:55:58 [iNFO] [sTDOUT] FMLRelauncher.relaunchApplet
2013-06-18 21:55:58 [iNFO] [sTDERR] java.lang.reflect.InvocationTargetException
2013-06-18 21:55:58 [iNFO] [sTDERR] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
2013-06-18 21:55:58 [iNFO] [sTDERR] at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
2013-06-18 21:55:58 [iNFO] [sTDERR] at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
2013-06-18 21:55:58 [iNFO] [sTDERR] at java.lang.reflect.Method.invoke(Unknown Source)
2013-06-18 21:55:58 [iNFO] [sTDERR] at cpw.mods.fml.relauncher.FMLRelauncher.relaunchApplet(FMLRelauncher.java:247)
2013-06-18 21:55:58 [iNFO] [sTDERR] at cpw.mods.fml.relauncher.FMLRelauncher.appletEntry(FMLRelauncher.java:229)
2013-06-18 21:55:58 [iNFO] [sTDERR] at net.minecraft.client.MinecraftApplet.init(MinecraftApplet.java:25)
2013-06-18 21:55:58 [iNFO] [sTDERR] at net.minecraft.client.Minecraft.fmlReentry(Minecraft.java:2336)
2013-06-18 21:55:58 [iNFO] [sTDERR] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
2013-06-18 21:55:58 [iNFO] [sTDERR] at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
2013-06-18 21:55:58 [iNFO] [sTDERR] at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
2013-06-18 21:55:58 [iNFO] [sTDERR] at java.lang.reflect.Method.invoke(Unknown Source)
2013-06-18 21:55:58 [iNFO] [sTDERR] at cpw.mods.fml.relauncher.FMLRelauncher.relaunchClient(FMLRelauncher.java:123)
2013-06-18 21:55:58 [iNFO] [sTDERR] at cpw.mods.fml.relauncher.FMLRelauncher.handleClientRelaunch(FMLRelauncher.java:38)
2013-06-18 21:55:58 [iNFO] [sTDERR] at net.minecraft.client.Minecraft.main(Minecraft.java:2237)
2013-06-18 21:55:58 [iNFO] [sTDERR] at Start.main(Start.java:29)
2013-06-18 21:55:58 [iNFO] [sTDERR] Caused by: java.lang.Error: Unresolved compilation problems:
2013-06-18 21:55:58 [iNFO] [sTDERR] The constructor ModelRenderer(ModelBiped, int, int) is undefined
2013-06-18 21:55:58 [iNFO] [sTDERR] The constructor ModelRenderer(ModelBiped, int, int) is undefined
2013-06-18 21:55:58 [iNFO] [sTDERR] The constructor ModelRenderer(ModelBiped, int, int) is undefined
2013-06-18 21:55:58 [iNFO] [sTDERR] The constructor ModelRenderer(ModelBiped, int, int) is undefined
2013-06-18 21:55:58 [iNFO] [sTDERR] The constructor ModelRenderer(ModelBiped, int, int) is undefined
2013-06-18 21:55:58 [iNFO] [sTDERR] The constructor ModelRenderer(ModelBiped, int, int) is undefined
2013-06-18 21:55:58 [iNFO] [sTDERR] The constructor ModelRenderer(ModelBiped, int, int) is undefined
2013-06-18 21:55:58 [iNFO] [sTDERR] The constructor ModelRenderer(ModelBiped, int, int) is undefined
2013-06-18 21:55:58 [iNFO] [sTDERR] The constructor ModelRenderer(ModelBiped, int, int) is undefined
2013-06-18 21:55:58 [iNFO] [sTDERR]
2013-06-18 21:55:58 [iNFO] [sTDERR] at net.minecraft.client.model.ModelBiped.<init>(ModelBiped.java:54)
2013-06-18 21:55:58 [iNFO] [sTDERR] at net.minecraft.client.model.ModelBiped.<init>(ModelBiped.java:43)
2013-06-18 21:55:58 [iNFO] [sTDERR] at net.minecraft.client.model.ModelBiped.<init>(ModelBiped.java:38)
2013-06-18 21:55:58 [iNFO] [sTDERR] at net.minecraft.client.renderer.entity.Render.<init>(Render.java:25)
2013-06-18 21:55:58 [iNFO] [sTDERR] at net.minecraft.client.renderer.entity.RenderItem.<init>(RenderItem.java:37)
2013-06-18 21:55:58 [iNFO] [sTDERR] at net.minecraft.client.gui.achievement.GuiAchievement.<init>(GuiAchievement.java:42)
2013-06-18 21:55:58 [iNFO] [sTDERR] at net.minecraft.client.Minecraft.<init>(Minecraft.java:306)
2013-06-18 21:55:58 [iNFO] [sTDERR] at net.minecraft.client.MinecraftAppletImpl.<init>(MinecraftAppletImpl.java:19)
2013-06-18 21:55:58 [iNFO] [sTDERR] at net.minecraft.client.MinecraftApplet.fmlInitReentry(MinecraftApplet.java:32)
2013-06-18 21:55:58 [iNFO] [sTDERR] ... 16 more
2013-06-18 21:55:58 [iNFO] [sTDERR] java.lang.reflect.InvocationTargetException
2013-06-18 21:55:58 [iNFO] [sTDERR] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
2013-06-18 21:55:58 [iNFO] [sTDERR] at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
2013-06-18 21:55:58 [iNFO] [sTDERR] at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
2013-06-18 21:55:58 [iNFO] [sTDERR] at java.lang.reflect.Method.invoke(Unknown Source)
2013-06-18 21:55:58 [iNFO] [sTDERR] at cpw.mods.fml.relauncher.FMLRelauncher.relaunchClient(FMLRelauncher.java:123)
2013-06-18 21:55:58 [iNFO] [sTDERR] at cpw.mods.fml.relauncher.FMLRelauncher.handleClientRelaunch(FMLRelauncher.java:38)
2013-06-18 21:55:58 [iNFO] [sTDERR] at net.minecraft.client.Minecraft.main(Minecraft.java:2237)
2013-06-18 21:55:58 [iNFO] [sTDERR] at Start.main(Start.java:29)
2013-06-18 21:55:58 [iNFO] [sTDERR] Caused by: java.lang.RuntimeException: java.lang.reflect.InvocationTargetException
2013-06-18 21:55:58 [iNFO] [sTDERR] at cpw.mods.fml.relauncher.FMLRelauncher.relaunchApplet(FMLRelauncher.java:254)
2013-06-18 21:55:58 [iNFO] [sTDERR] at cpw.mods.fml.relauncher.FMLRelauncher.appletEntry(FMLRelauncher.java:229)
2013-06-18 21:55:58 [iNFO] [sTDERR] at net.minecraft.client.MinecraftApplet.init(MinecraftApplet.java:25)
2013-06-18 21:55:58 [iNFO] [sTDERR] at net.minecraft.client.Minecraft.fmlReentry(Minecraft.java:2336)
2013-06-18 21:55:58 [iNFO] [sTDERR] ... 8 more
2013-06-18 21:55:58 [iNFO] [sTDERR] Caused by: java.lang.reflect.InvocationTargetException
2013-06-18 21:55:58 [iNFO] [sTDERR] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
2013-06-18 21:55:58 [iNFO] [sTDERR] at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
2013-06-18 21:55:58 [iNFO] [sTDERR] at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
2013-06-18 21:55:58 [iNFO] [sTDERR] at java.lang.reflect.Method.invoke(Unknown Source)
2013-06-18 21:55:58 [iNFO] [sTDERR] at cpw.mods.fml.relauncher.FMLRelauncher.relaunchApplet(FMLRelauncher.java:247)
2013-06-18 21:55:58 [iNFO] [sTDERR] ... 11 more
2013-06-18 21:55:58 [iNFO] [sTDERR] Caused by: java.lang.Error: Unresolved compilation problems:
2013-06-18 21:55:58 [iNFO] [sTDERR] The constructor ModelRenderer(ModelBiped, int, int) is undefined
2013-06-18 21:55:58 [iNFO] [sTDERR] The constructor ModelRenderer(ModelBiped, int, int) is undefined
2013-06-18 21:55:58 [iNFO] [sTDERR] The constructor ModelRenderer(ModelBiped, int, int) is undefined
2013-06-18 21:55:58 [iNFO] [sTDERR] The constructor ModelRenderer(ModelBiped, int, int) is undefined
2013-06-18 21:55:58 [iNFO] [sTDERR] The constructor ModelRenderer(ModelBiped, int, int) is undefined
2013-06-18 21:55:58 [iNFO] [sTDERR] The constructor ModelRenderer(ModelBiped, int, int) is undefined
2013-06-18 21:55:58 [iNFO] [sTDERR] The constructor ModelRenderer(ModelBiped, int, int) is undefined
2013-06-18 21:55:58 [iNFO] [sTDERR] The constructor ModelRenderer(ModelBiped, int, int) is undefined
2013-06-18 21:55:58 [iNFO] [sTDERR] The constructor ModelRenderer(ModelBiped, int, int) is undefined
2013-06-18 21:55:58 [iNFO] [sTDERR]
2013-06-18 21:55:58 [iNFO] [sTDERR] at net.minecraft.client.model.ModelBiped.<init>(ModelBiped.java:54)
2013-06-18 21:55:58 [iNFO] [sTDERR] at net.minecraft.client.model.ModelBiped.<init>(ModelBiped.java:43)
2013-06-18 21:55:58 [iNFO] [sTDERR] at net.minecraft.client.model.ModelBiped.<init>(ModelBiped.java:38)
2013-06-18 21:55:58 [iNFO] [sTDERR] at net.minecraft.client.renderer.entity.Render.<init>(Render.java:25)
2013-06-18 21:55:58 [iNFO] [sTDERR] at net.minecraft.client.renderer.entity.RenderItem.<init>(RenderItem.java:37)
2013-06-18 21:55:58 [iNFO] [sTDERR] at net.minecraft.client.gui.achievement.GuiAchievement.<init>(GuiAchievement.java:42)
2013-06-18 21:55:58 [iNFO] [sTDERR] at net.minecraft.client.Minecraft.<init>(Minecraft.java:306)
2013-06-18 21:55:58 [iNFO] [sTDERR] at net.minecraft.client.MinecraftAppletImpl.<init>(MinecraftAppletImpl.java:19)
2013-06-18 21:55:58 [iNFO] [sTDERR] at net.minecraft.client.MinecraftApplet.fmlInitReentry(MinecraftApplet.java:32)
2013-06-18 21:55:58 [iNFO] [sTDERR] ... 16 more
It always ends up on a black screen. > > > > > >
if you know how to fix this problem can you please tell me.