I'm trying to get Forestry 1.4.8.6 to work with my tekkit client (it works with my server). I've followed the directions here to the 't', but my client keeps throwing an error that I can't figure out how to fix.
[size=12px][font=Courier]--- BEGIN ERROR REPORT f7da6619 --------[/font][/size]
[font=Courier][size=12px]Generated 7/16/13 6:01 PM[/size][/font]
[font=Courier][size=12px] [/size][/font]
[font=Courier][size=12px]Minecraft: Minecraft 1.2.5[/size][/font]
[font=Courier][size=12px]OS: Mac OS X (x86_64) version 10.8.4[/size][/font]
[font=Courier][size=12px]Java: 1.6.0_51, Apple Inc.[/size][/font]
[font=Courier][size=12px]VM: Java HotSpot 64-Bit Server VM (mixed mode), Apple Inc.[/size][/font]
[font=Courier][size=12px]LWJGL: 2.4.2[/size][/font]
[font=Courier][size=12px]OpenGL: NVIDIA GeForce GT 330M OpenGL Engine version 2.1 NVIDIA-8.12.47 310.40.00.05f01, NVIDIA Corporation[/size][/font]
[font=Courier][size=12px] [/size][/font]
[font=Courier][size=12px]org.lwjgl.opengl.OpenGLException: Invalid framebuffer operation (1286)[/size][/font]
[font=Courier][size=12px]at org.lwjgl.opengl.Util.checkGLError(Util.java:56)[/size][/font]
[font=Courier][size=12px]at org.lwjgl.opengl.Display.swapBuffers(Display.java:645)[/size][/font]
[font=Courier][size=12px]at net.minecraft.client.Minecraft.v(Minecraft.java:509)[/size][/font]
[font=Courier][size=12px]at net.minecraft.client.Minecraft.a(Minecraft.java:403)[/size][/font]
[font=Courier][size=12px]at net.minecraft.client.Minecraft.run(Minecraft.java:738)[/size][/font]
[font=Courier][size=12px]at java.lang.Thread.run(Thread.java:680)[/size][/font]
[size=12px][font=Courier]--- END ERROR REPORT 85f45f67 ----------