[Bug v1.15] Right-Clicking Solar Panel crashes meinkraft

Mods loaded: 15
ModLoader Beta 1.8.1
mod_BuildCraftCore 2.2.0
mod_BuildCraftBuilders 2.2.0
mod_BuildCraftEnergy 2.2.0
mod_BuildCraftFactory 2.2.0
mod_BuildCraftTransport 2.2.0
mod_EE 1.8.1
mod_IC2 v1.15
mod_WirelessRedstone 1.4
mod_RecipeBook Beta 1.8
mod_treecapitator 1.8-DaftPVF
mod_TooManyItems 1.8.1 2011-09-27
mod_TF2Teleporter 1.8.1
mod_TurretMod 1.7.3 v.1.1_01
mod_IDResolver 1.8.1 - Update 0

Minecraft has crashed!
----------------------

Minecraft has stopped running because it encountered a problem.

If you wish to report this, please copy this entire text and email it to support@mojang.com.
Please include a description of what you did when the error occured.

--- BEGIN ERROR REPORT 8765ddec --------
Generated 7/10/11 3:59 PM

Minecraft: Minecraft Beta 1.8.1
OS: Windows 7 (amd64) version 6.1
Java: 1.7.0, Oracle Corporation
VM: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
LWJGL: 2.4.2
OpenGL: GeForce GTS 250/PCI/SSE2 version 3.3.0, NVIDIA Corporation

java.lang.ClassCastException: ic2.common.TileEntitySolarGenerator cannot be cast to ic2.common.TileEntityGeoGenerator
at ic2.platform.Ic2.getGuiForId(Ic2.java:352)
at ic2.platform.Platform.launchGUI(Platform.java:57)
at ic2.common.BlockMultiID.b(BlockMultiID.java:160)
at ic2.common.BlockGenerator.b(BlockGenerator.java:227)
at xu.a(PlayerControllerSP.java:177)
at net.minecraft.client.Minecraft.a(SourceFile:1056)
at net.minecraft.client.Minecraft.k(SourceFile:1342)
at net.minecraft.client.Minecraft.run(SourceFile:666)
at java.lang.Thread.run(Unknown Source)
--- END ERROR REPORT 74178878 ----------