openiab unity 3d error

[AB57]

java.lang.Error: FATAL EXCEPTION [main]
Unity version : 5.3.2f1
Device model : samsung SM-G7102
Device fingerprint: samsung/ms013gxx/ms013g:4.4.2/KOT49H/G7102XXSBQA3:user/release-keys
Caused by
at org.onepf.oms.OpenIabHelper.checkSetupDone (OpenIabHelper.java:1517)
at org.onepf.oms.OpenIabHelper.queryInventoryAsync (OpenIabHelper.java:1413)
at org.onepf.openiab.UnityPlugin$4.run (UnityPlugin.java:165)
at android.os.Handler.handleCallback (Handler.java:733)
at android.os.Handler.dispatchMessage (Handler.java:95)
at android.os.Looper.loop (Looper.java:146)
at android.app.ActivityThread.main (ActivityThread.java:5653)
at java.lang.reflect.Method.invokeNative (Native Method)
at java.lang.reflect.Method.invoke (Method.java:515)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run (ZygoteInit.java:1291)
at com.android.internal.os.ZygoteInit.main (ZygoteInit.java:1107)
at dalvik.system.NativeStart.main (Native Method)

this error is occur any solution