Crash: kotlin.KotlinNullPointerException in BubbleShowCaseBuilder.kt

[SakisBoridis]

I am getting this crash in some devices:

Fatal Exception: kotlin.KotlinNullPointerException
at com.elconfidencial.bubbleshowcase.BubbleShowCaseBuilder.show(BubbleShowCaseBuilder.kt:267)
at com.elconfidencial.bubbleshowcase.BubbleShowCaseSequence.show(BubbleShowCaseSequence.kt:47)
at com.elconfidencial.bubbleshowcase.BubbleShowCaseSequence.access$show(BubbleShowCaseSequence.kt:6)
at com.elconfidencial.bubbleshowcase.BubbleShowCaseSequence$show$1.onDismiss(BubbleShowCaseSequence.kt:45)
at com.elconfidencial.bubbleshowcase.BubbleShowCase.notifyDismissToSequenceListener(BubbleShowCase.kt:142)
at com.elconfidencial.bubbleshowcase.BubbleShowCase.dismiss(BubbleShowCase.kt:132)
at gr.blogspot.feasyapps.animalsforkids.fragments.LearnFragment$tapShowcaseHints$1$bubbleShowCaseBuilder3$1.onBubbleClick(LearnFragment.kt:181)
at com.elconfidencial.bubbleshowcase.BubbleShowCase$getBubbleMessageViewBuilder$1.onBubbleClick(BubbleShowCase.kt:180)
at com.elconfidencial.bubbleshowcase.BubbleMessageView$setBubbleListener$2.onClick(BubbleMessageView.kt:114)
at android.view.View.performClick(View.java:5246)
at android.view.View$PerformClick.run(View.java:21256)
at android.os.Handler.handleCallback(Handler.java:739)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:145)
at android.app.ActivityThread.main(ActivityThread.java:6934)
at java.lang.reflect.Method.invoke(Method.java)
at java.lang.reflect.Method.invoke(Method.java:372)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1404)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1199)

• Is it something that you have to fix in the library, or is it my fault.
• If I am responsible for it, how can I fix it?
• if you can fix it, when can I expect the fix?

Thanks for the library by the way!!!