IF after the reload the window is still there, look into your ElvUI > AddonSkins options in the Embed section, see if you didn't set there to use two windows. It's showing an ability more than once[-spell -ability -duplicate -same] Details! track spells by its ID not by the name....
(Launch.java:28)Caused by: java.lang.ClassNotFoundException: net.minecraftforge.fml.common.registry.IForgeRegistryEntryat net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191)at java.lang.ClassLoader.loadClass(ClassLoader.java:424)at java.lang.ClassLoader.loadClass(Class...
If you have not installed FFmpeg, please follow the steps providedhere If already have installed FFmpeg, you have to manually tell theReplay Modwhere your FFmpeg executable is located. First, get the full path to yourffmpeg.exe(on Windows) orffmpegexecutable (on Mac/Linux). ...