Crash

[nitinkg7]

App getting crashed after using the tabbar. Initialization is getting faliled.
E/UncaughtException: kotlin.UninitializedPropertyAccessException: lateinit property mData has not been initialized
at client.yalantis.com.foldingtabbar.FoldingTabBar.initExpandAnimators(FoldingTabBar.kt:160)
at client.yalantis.com.foldingtabbar.FoldingTabBar.access$initExpandAnimators(FoldingTabBar.kt:25)
at client.yalantis.com.foldingtabbar.FoldingTabBar$initViewTreeObserver$1.onPreDraw(FoldingTabBar.kt:105)
at android.view.ViewTreeObserver.dispatchOnPreDraw(ViewTreeObserver.java:944)
at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:2213)
at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1258)
at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:6348)
at android.view.Choreographer$CallbackRecord.run(Choreographer.java:871)
at android.view.Choreographer.doCallbacks(Choreographer.java:683)
at android.view.Choreographer.doFrame(Choreographer.java:619)
at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:857)
at android.os.Handler.handleCallback(Handler.java:751)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:154)
at android.app.ActivityThread.main(ActivityThread.java:6123)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:867)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:757)

[root1991]

Could you please share more code?