Sdkbox error in Inapp handlePurchaseResult:0

Sdkbox error in Inapp handlePurchaseResult:0
0

i got this error in purchase in my unreleased game . @yinjimmy

error SDKBoxIABBillingClient: handlePurchaseResult:0
SDKBoxIABBillingClient: billing response ok

also in onProductRequestSuccess response i got only list of ids but not getting any info other then ids

if tap on purchase button show this error
Got purchases updated result with resultCode 0 and billing’s responseCode: 6

that means your configuration on https://play.google.com/apps/publish/ is invalid.
and some check-list https://github.com/sdkbox/sdkbox-sample-iap#test-iap-for-android .