mixpanel crash on Adnroid after the latest release 1.2.4

[kiitos-smasri]

Hello
I have updates to release 1.2.4 for the first moment everything works fine, but after a while Android app starts cashing
crash happens on com.mixpanel.android.mpmetrics.MixpanelNotificationRouteActivity.onCreate

java.lang.RuntimeException:
at android.app.ActivityThread.performLaunchActivity (ActivityThread.java:3430)
at android.app.ActivityThread.handleLaunchActivity (ActivityThread.java:3614)
at android.app.servertransaction.LaunchActivityItem.execute (LaunchActivityItem.java:86)
at android.app.servertransaction.TransactionExecutor.executeCallbacks (TransactionExecutor.java:108)
at android.app.servertransaction.TransactionExecutor.execute (TransactionExecutor.java:68)
at android.app.ActivityThread$H.handleMessage (ActivityThread.java:2199)
at android.os.Handler.dispatchMessage (Handler.java:112)
at android.os.Looper.loop (Looper.java:216)
at android.app.ActivityThread.main (ActivityThread.java:7625)
at java.lang.reflect.Method.invoke (Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run (RuntimeInit.java:524)
at com.android.internal.os.ZygoteInit.main (ZygoteInit.java:987)
Caused by: android.content.ActivityNotFoundException:
at android.app.Instrumentation.checkStartActivityResult (Instrumentation.java:2114)
at android.app.Instrumentation.execStartActivity (Instrumentation.java:1757)
at android.app.Activity.startActivityForResult (Activity.java:4803)
at android.app.Activity.startActivityForResult (Activity.java:4743)
at android.app.Activity.startActivity (Activity.java:5164)
at android.app.Activity.startActivity (Activity.java:5132)
at com.mixpanel.android.mpmetrics.MixpanelNotificationRouteActivity.onCreate (MixpanelNotificationRouteActivity.java:12)
at android.app.Activity.performCreate (Activity.java:7458)
at android.app.Activity.performCreate (Activity.java:7448)
at android.app.Instrumentation.callActivityOnCreate (Instrumentation.java:1286)
at android.app.ActivityThread.performLaunchActivity (ActivityThread.java:3409)

any ideas ?