[06:19:31] [main/ERROR] [FML/]: A critical error occurred instantiating the gui factory for mod betteradvancements
java.lang.ClassNotFoundException: betteradvancements.gui.ModGuiFactory
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191) ~[launchwrapper-1.12.jar:?]
at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_141]
at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_141]
at net.minecraftforge.fml.common.ModClassLoader.loadClass(ModClassLoader.java:75) ~[ModClassLoader.class:?]
at java.lang.Class.forName0(Native Method) ~[?:1.8.0_141]
at java.lang.Class.forName(Unknown Source) ~[?:1.8.0_141]
at net.minecraftforge.fml.client.FMLClientHandler.finishMinecraftLoading(FMLClientHandler.java:381) [FMLClientHandler.class:?]
at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:534) [bhz.class:?]
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:377) [bhz.class:?]
at net.minecraft.client.main.Main.main(SourceFile:123) [Main.class:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_141]
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_141]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_141]
at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_141]
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:?]

Should have been fixed in bfa5773, does it still happen if you update to BetterAdvancements-1.12-0.0.1.5?

Closing due to no response.