Bug Noob

Title: Tekkit classic crashes repeatedly! Version: 3.1.3 OS: Windows 7 Home Premium Java Version: 1.6.0 Description of Problem: Tekkit classic crashes repeatedly. What shall I do!? Error Messages: --- BEGIN ERROR REPORT 40a994d8 -------- Generated 1/11/13 7:34 PM Minecraft: Minecraft 1.2.5 OS: Windows 7 (amd64) version 6.1 Java: 1.6.0_33, Sun Microsystems Inc. VM: Java HotSpot 64-Bit Server VM (mixed mode), Sun Microsystems Inc. LWJGL: 2.4.2 OpenGL: Intel® HD Graphics version 2.1.0 - Build 8.15.10.2353, Intel java.lang.NullPointerException at java.util.Hashtable.put(Unknown Source) at forge.MinecraftForge.setGuiHandler(MinecraftForge.java:1107) at mod_CompactSolars.load(mod_CompactSolars.java:34) at cpw.mods.fml.common.modloader.ModLoaderModContainer.init(ModLoaderModContainer.java:356) at cpw.mods.fml.common.Loader.modInit(Loader.java:273) at cpw.mods.fml.common.Loader.initializeMods(Loader.java:628) at cpw.mods.fml.client.FMLClientHandler.onLoadComplete(FMLClientHandler.java:223) at net.minecraft.client.Minecraft.a(Minecraft.java:429) at net.minecraft.client.Minecraft.run(Minecraft.java:738) at java.lang.Thread.run(Unknown Source) --- END ERROR REPORT 40846bf6 ---------- Error Log: Tekkit crashes. Possible bug?