Help me, i can't play, crashed

[ta3ke]

just clone, just run gradlew.bat desktop:run
In JDK17

The game ran well. However, when you select a character and press the OK button, it crashes.

.....
DEBUG [StatList] maxlightresist(42)=75
DEBUG [StatList] maxcoldresist(44)=75
DEBUG [StatList] maxpoisonresist(46)=75
Exception in thread "LWJGL Application" java.lang.RuntimeException: Actor: OK
| Label: OK
at com.badlogic.gdx.scenes.scene2d.Actor.notify(Actor.java:192)
at com.badlogic.gdx.scenes.scene2d.Actor.fire(Actor.java:152)
at com.badlogic.gdx.scenes.scene2d.ui.Button.setChecked(Button.java:125)
at com.badlogic.gdx.scenes.scene2d.ui.Button$1.clicked(Button.java:93)
at com.badlogic.gdx.scenes.scene2d.utils.ClickListener.touchUp(ClickListener.java:88)
at com.badlogic.gdx.scenes.scene2d.InputListener.handle(InputListener.java:71)
at com.badlogic.gdx.scenes.scene2d.Stage.touchUp(Stage.java:355)
at com.badlogic.gdx.InputMultiplexer.touchUp(InputMultiplexer.java:124)
at com.badlogic.gdx.InputMultiplexer.touchUp(InputMultiplexer.java:124)
at com.badlogic.gdx.InputEventQueue.drain(InputEventQueue.java:70)
at com.badlogic.gdx.backends.lwjgl.DefaultLwjglInput.processEvents(DefaultLwjglInput.java:255)
at com.badlogic.gdx.backends.lwjgl.LwjglApplication.mainLoop(LwjglApplication.java:220)
at com.badlogic.gdx.backends.lwjgl.LwjglApplication$1.run(LwjglApplication.java:127)
Caused by: java.lang.NullPointerException: Cannot invoke "com.riiablo.attributes.StatRef.asInt()" because the return value of "com.riiablo.attributes.Attributes.get(short)" is null
at com.riiablo.screen.GameScreen.(GameScreen.java:264)
at com.riiablo.screen.GameScreen.(GameScreen.java:259)
at com.riiablo.screen.CreateCharacterScreen$5.changed(CreateCharacterScreen.java:196)
at com.badlogic.gdx.scenes.scene2d.utils.ChangeListener.handle(ChangeListener.java:28)
at com.badlogic.gdx.scenes.scene2d.Actor.notify(Actor.java:188)
... 12 more