Ionic InAppPurchase2 - The item you requested is not available for purchase

Hello,

So I set up the inapppurchase 2 plugin similar to the example below:

When I got to click on a purchase button for a remove ads product, non consumable, I get this error:

E/Volley: [329] c.a: Unexpected response code 404 for https://android.clients.google.com/fdfe/ees/preparePurchase
I/Finsky: [2] com.google.android.finsky.billing.lightpurchase.ah.a(457): Error: PurchaseError{type=2 subtype=0}
I/Finsky: [2] com.google.android.finsky.billing.lightpurchase.ah.a(460): Purchase failed: PurchaseError{type=2 subtype=0}

And a prompt displays saying, “The item you requested is not available for purchase”.

The product is “Active”. I am testing this with an Alpha release. The product has been signed using the jarsigner method for ionic apps.

If anyone knows where I am going wrong, help would be much appreciated. Thanks!