ERROR!

[RMuskovets]

I have an exception:
java.io.FileNotFoundException: C:\Users\LINKOR.mundus\mundus.registry (Не удается найти указанный файл)
at java.io.FileInputStream.open0(Native Method)
at java.io.FileInputStream.open(FileInputStream.java:195)
at java.io.FileInputStream.(FileInputStream.java:138)
at java.io.FileInputStream.(FileInputStream.java:93)
at com.mbrlabs.mundus.editor.core.kryo.KryoManager.loadRegistry(KryoManager.java:94)
at com.mbrlabs.mundus.editor.Mundus.(Mundus.kt:93)
at com.mbrlabs.mundus.editor.Mundus.(Mundus.kt:54)
at com.mbrlabs.mundus.editor.Editor.create(Editor.kt:62)
at com.badlogic.gdx.backends.lwjgl3.Lwjgl3Window.initializeListener(Lwjgl3Window.java:416)
at com.badlogic.gdx.backends.lwjgl3.Lwjgl3Window.update(Lwjgl3Window.java:364)
at com.badlogic.gdx.backends.lwjgl3.Lwjgl3Application.loop(Lwjgl3Application.java:136)
at com.badlogic.gdx.backends.lwjgl3.Lwjgl3Application.(Lwjgl3Application.java:110)
at com.mbrlabs.mundus.editor.Main.launchEditor(Main.kt:52)
at com.mbrlabs.mundus.editor.Main.main(Main.kt:31)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at com.intellij.rt.execution.application.AppMain.main(AppMain.java:147)
[09:08][Fatal][Log] com.badlogic.gdx.utils.GdxRuntimeException: java.lang.ExceptionInInitializerError
at com.badlogic.gdx.backends.lwjgl3.Lwjgl3Application.(Lwjgl3Application.java:116)
at com.mbrlabs.mundus.editor.Main.launchEditor(Main.kt:52)
at com.mbrlabs.mundus.editor.Main.main(Main.kt:31)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at com.intellij.rt.execution.application.AppMain.main(AppMain.java:147)
Caused by: java.lang.ExceptionInInitializerError
at com.mbrlabs.mundus.editor.Editor.setupInput(Editor.kt:96)
at com.mbrlabs.mundus.editor.Editor.create(Editor.kt:70)
at com.badlogic.gdx.backends.lwjgl3.Lwjgl3Window.initializeListener(Lwjgl3Window.java:416)
at com.badlogic.gdx.backends.lwjgl3.Lwjgl3Window.update(Lwjgl3Window.java:364)
at com.badlogic.gdx.backends.lwjgl3.Lwjgl3Application.loop(Lwjgl3Application.java:136)
at com.badlogic.gdx.backends.lwjgl3.Lwjgl3Application.(Lwjgl3Application.java:110)
... 7 more
Caused by: com.badlogic.gdx.utils.GdxRuntimeException: No com.badlogic.gdx.scenes.scene2d.ui.Window$WindowStyle registered with name: default
at com.badlogic.gdx.scenes.scene2d.ui.Skin.get(Skin.java:154)
at com.badlogic.gdx.scenes.scene2d.ui.Window.(Window.java:61)
at com.kotcrab.vis.ui.widget.VisWindow.(VisWindow.java:52)
at com.kotcrab.vis.ui.widget.VisWindow.(VisWindow.java:47)
at com.kotcrab.vis.ui.widget.file.FileChooser.(FileChooser.java:170)
at com.kotcrab.vis.ui.widget.file.FileChooser.(FileChooser.java:162)
at com.mbrlabs.mundus.editor.ui.UI.(UI.kt:58)
at com.mbrlabs.mundus.editor.ui.UI.(UI.kt:47)
... 13 more

[09:08][Fatal][Log] Uncaught exception occurred, error report will be saved
I ran Mundus in IntelliJ IDEA...

[mbrlabs]

mundus.registry is a file, which holds a list of all your projects. It's normally located in the user's home directory, but yours looks a bit weird.
Can you check the value of HOME_DATA_FILE in editor/src/main/com/mbrlabs/mundus/editor/core/registry/Registry.java?