Italian WheelVerticalView

ho preso questa libreria
spinner wheel

l'esempio al primo post funziona, se aggiungo un WheelVerticalView ad un mio progetto ottengo questo, perche?

** Activity (main) Create, isFirst = true **
Error occurred on line: 38 (Main)
java.lang.RuntimeException: java.lang.reflect.InvocationTargetException
at anywheresoftware.b4a.keywords.LayoutBuilder.loadLayout(LayoutBuilder.java:166)
at anywheresoftware.b4a.objects.ActivityWrapper.LoadLayout(ActivityWrapper.java:209)
at java.lang.reflect.Method.invoke(Native Method)
at java.lang.reflect.Method.invoke(Method.java:372)
at anywheresoftware.b4a.shell.Shell.runMethod(Shell.java:708)
at anywheresoftware.b4a.shell.Shell.raiseEventImpl(Shell.java:340)
at anywheresoftware.b4a.shell.Shell.raiseEvent(Shell.java:247)
at java.lang.reflect.Method.invoke(Native Method)
at java.lang.reflect.Method.invoke(Method.java:372)
at anywheresoftware.b4a.ShellBA.raiseEvent2(ShellBA.java:134)
at Cronos.gi.lo.main.afterFirstLayout(main.java:102)
at Cronos.gi.lo.main.access$000(main.java:17)
at Cronos.gi.lo.main$WaitForLayout.run(main.java:80)
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:6126)
at java.lang.reflect.Method.invoke(Native Method)
at java.lang.reflect.Method.invoke(Method.java:372)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1399)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1194)
Caused by: java.lang.reflect.InvocationTargetException
at java.lang.reflect.Method.invoke(Native Method)
at java.lang.reflect.Method.invoke(Method.java:372)
at anywheresoftware.b4a.objects.CustomViewWrapper.AfterDesignerScript(CustomViewWrapper.java:64)
at anywheresoftware.b4a.keywords.LayoutBuilder.loadLayout(LayoutBuilder.java:158)
... 20 more
Caused by: android.content.res.Resources$NotFoundException: Resource ID #0x0
at android.content.res.Resources.getValue(Resources.java:2358)
at android.content.res.Resources.getDrawable(Resources.java:1863)
at android.content.res.Resources.getDrawable(Resources.java:1831)
at androidspinnerwheelwrapper.androidVerticalWheelWrapper.updateSpinner(androidVerticalWheelWrapper.java:106)
at androidspinnerwheelwrapper.androidVerticalWheelWrapper.setupSpinnerWheel(androidVerticalWheelWrapper.java:91)
at androidspinnerwheelwrapper.androidVerticalWheelWrapper._initialize(androidVerticalWheelWrapper.java:66)
... 24 more
** Activity (main) Resume **

Non fare p.f. doppio post. Hai già scritto nel thread ufficiale