bubblesayoyo

thanks, all i needed to know. just couldn't find it written newhere

So i believe everything installed right, launched the..well launcher and it dl'ed everything and I get the Mojang screen. When i go to single player and load my save it simulates...yadayada then crashes. Here is the last of my log... [15:44:41] [sEVERE] java.lang.ClassCastException: ic2.common.TileEntitySolarGenerator cannot be cast to gq [15:44:41] [sEVERE] at rp.a(BlockChest.java:374) [15:44:41] [sEVERE] at vq.m(World.java:682) [15:44:41] [sEVERE] at vq.j(World.java:665) [15:44:41] [sEVERE] at ic2.common.TileEntityElectricBlock.k_(TileEntityElectricBlock.java:177) [15:44:41] [sEVERE] at vq.m(World.java:1574) [15:44:41] [sEVERE] at net.minecraft.client.Minecraft.k(Minecraft.java:1552) [15:44:41] [sEVERE] at net.minecraft.client.Minecraft.x(Minecraft.java:698) [15:44:41] [sEVERE] at net.minecraft.client.Minecraft.run(Minecraft.java:638) [15:44:41] [sEVERE] at java.lang.Thread.run(Thread.java:680) Any ideas?!?! EDIT: I can create a new world just fine. So it must be something in my old save file....