How to fixed onProductDetailsResponse NullReference Exception

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1

Hello everyone,
I upgraded the iap plugin version to 4.12.1 and 4.12.2 on Unity version 2020.3.40. (In two app)
In the past few days, I found more than 10 null reference exceptions in the logs reported online.
The specific stack is:

UnityEngine.GlobalJavaObjectRef.op_Implicit (UnityEngine.GlobalJavaObjectRef obj) (at <00000000000000000000000000000000>:0)
UnityEngine.AndroidJavaObject._Call[ReturnType] (System.String methodName, System.Object[] args) (at <00000000000000000000000000000000>:0)
UnityEngine.Purchasing.Models.AndroidJavaObjectExtensions.Enumerate[T] (UnityEngine.AndroidJavaObject androidJavaList) (at <00000000000000000000000000000000>:0)
UnityEngine.Purchasing.SkuDetailsResponseListener+<>c__DisplayClass5_0.<onSkuDetailsResponse>b__0 () (at <00000000000000000000000000000000>:0)
System.Action.Invoke () (at <00000000000000000000000000000000>:0)
UnityEngine.Purchasing.Extension.UnityUtil.Update () (at <00000000000000000000000000000000>:0)

and

UnityEngine.Purchasing.ProductDetailsResponseListener+<>c__DisplayClass5_0.<onProductDetailsResponse>b__0 () (at <00000000000000000000000000000000>:0)
System.Action.Invoke () (at <00000000000000000000000000000000>:0)
UnityEngine.Purchasing.Extension.UnityUtil.Update () (at <00000000000000000000000000000000>:0)

I didn’t find any event or method corresponding to onProductDetailsResponse, so I don’t know if it’s a problem with my code or the plugin. What should I do next?

2

Same question, waiting for reply