Hi,
We are having this issue with ClientScene.FindLocalObject causing a NullReferenceException. The NetworkInstanceId passed is checked to verify if it is valid.
NullReferenceException: Object reference not set to an instance of an object
UnityEngine.Networking.NetworkScene.FindLocalObject (NetworkInstanceId netId) (at /Users/builduser/buildslave/unity/build/Extensions/Networking/Runtime/NetworkScene.cs:57)
UnityEngine.Networking.ClientScene.FindLocalObject (NetworkInstanceId netId) (at /Users/builduser/buildslave/unity/build/Extensions/Networking/Runtime/ClientScene.cs:354)