I don't have this crash myself, but this crash is reported in Google Plays pre-launch report:

And this code block:

And also this code block:

I say that should be safe. So what could cause the crash?
I am using Stencyl 4.0.1 (Official)
Quote
Problem: java.lang.NullPointerException: Attempt to invoke interface method 'android.os.Bundle com.android.vending.billing.IInAppBillingService.getPurchases(int, java.lang.String, java.lang.String, java.lang.String)' on a null object reference
Code: [Select]
java.lang.NullPointerException: Attempt to invoke interface method 'android.os.Bundle com.android.vending.billing.IInAppBillingService.getPurchases(int, java.lang.String, java.lang.String, java.lang.String)' on a null object reference
at com.stencyl.android.util.IabHelper.queryPurchases(IabHelper.java:945)
at com.stencyl.android.util.IabHelper.queryInventory(IabHelper.java:624)
at com.stencyl.android.util.IabHelper$2.run(IabHelper.java:698)
at java.lang.Thread.run(Thread.java:764)
This happens in the start of the game and the only thing related to purchases there is this code block:
And this code block:

And also this code block:

I say that should be safe. So what could cause the crash?

I am using Stencyl 4.0.1 (Official)