InAppPurchases:Buy(Int32)
UnityEngine.Events.UnityEvent:Invoke()
UnityEngine.EventSystems.ExecuteEvents:Execute(GameObject, BaseEventData, EventFunction`1)
UnityEngine.EventSystems.StandaloneInputModule:ProcessTouchPress(PointerEventData, Boolean, Boolean)
UnityEngine.EventSystems.StandaloneInputModule:ProcessTouchEvents()
UnityEngine.EventSystems.StandaloneInputModule:Process()
(Filename: /Users/builduser/buildslave/unity/build/artifacts/generated/common/runtime/DebugBindings.gen.cpp Line: 51)
IAPExternalCall(code=31001&msg=Invalid Item Error)
AnysdkManager:IAPExternalCall(String)
(Filename: /Users/builduser/buildslave/unity/build/artifacts/generated/common/runtime/DebugBindings.gen.cpp Line: 51)
anysdk IAPExternalCall:31001 Invalid Item Error
AnysdkManager:IAPExternalCall(String)
(Filename: /Users/builduser/buildslave/unity/build/artifacts/generated/common/runtime/DebugBindings.gen.cpp Line: 51)
2019-03-28 16:07:03.541965+0800 scavengerduels[758:456996] NSURLConnection finished with error - code -1001
2019-03-28 16:07:03.551290+0800 scavengerduels[758:456997] Task <1D543004-25A7-4D85-BEE0-823A9CB2C336>.<0> HTTP load failed (error code: -999 [1:89])
请问这是什么原因?