• I am running the latest mod versions of MCA and RadixCore.
• I can reproduce this issue with just MCA and RadixCore installed.
• I can provide my Minecraft version and MCA version.
• I have searched for the issue previously and it was either not previously reported, or previously fixed and I'm having the same problem.
• [] I am crashing and can provide my crash report.

Versions

Issue Description

I am unable to open the config options for MCA

Reproduce Steps

Clicking the config button under mod options

Additional Information

[14:05:21] [Client thread/ERROR] [FML/]: There was a critical issue trying to build the config GUI for MCA
java.lang.reflect.InvocationTargetException
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[?:1.8.0_121]
at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) ~[?:1.8.0_121]
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) ~[?:1.8.0_121]
at java.lang.reflect.Constructor.newInstance(Unknown Source) ~[?:1.8.0_121]
at net.minecraftforge.fml.client.GuiModList.func_146284_a(GuiModList.java:283) [GuiModList.class:?]
at net.minecraft.client.gui.GuiScreen.func_73864_a(GuiScreen.java:460) [bft.class:?]
at net.minecraftforge.fml.client.GuiModList.func_73864_a(GuiModList.java:197) [GuiModList.class:?]
at net.minecraft.client.gui.GuiScreen.func_146274_d(GuiScreen.java:548) [bft.class:?]
at net.minecraftforge.fml.client.GuiModList.func_146274_d(GuiModList.java:327) [GuiModList.class:?]
at net.minecraft.client.gui.GuiScreen.func_146269_k(GuiScreen.java:517) [bft.class:?]
at net.minecraft.client.Minecraft.func_71407_l(Minecraft.java:1700) [bcx.class:?]
at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:1055) [bcx.class:?]
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:371) [bcx.class:?]
at net.minecraft.client.main.Main.main(SourceFile:124) [Main.class:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_121]
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_121]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_121]
at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_121]
at net.minecraft.launchwrapper.Launch.launch(Launch.java:135) [launchwrapper-1.12.jar:?]
at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.12.jar:?]
Caused by: java.lang.NullPointerException
at mca.core.Config.getCategories(Config.java:219) ~[Config.class:?]
at mca.client.gui.GuiConfigPage.(GuiConfigPage.java:17) ~[GuiConfigPage.class:?]
... 20 more
[14:07:06] [Netty Local Client IO #1/INFO]

If you're trying to access the Mod Options from the pause screen of your world, that doesn't seem to work.

Try going to the Mods option from the title screen instead. That's what works for me.

No version provided.