diff --git a/Assets/Scripts/Config.cs b/Assets/Scripts/Config.cs
index 567540f5f..52abcd25b 100644
--- a/Assets/Scripts/Config.cs
+++ b/Assets/Scripts/Config.cs
@@ -124,12 +124,12 @@ private class UserConfigChange
         [NonSerialized] public bool m_QuickLoad = true;
 
         public SecretsConfig.ServiceAuthData GoogleSecrets => Secrets?[SecretsConfig.Service.Google];
-        public SecretsConfig.ServiceAuthData SketchfabSecrets => Secrets[SecretsConfig.Service.Sketchfab];
-        public SecretsConfig.ServiceAuthData OculusSecrets => Secrets[SecretsConfig.Service.Oculus];
-        public SecretsConfig.ServiceAuthData OculusMobileSecrets => Secrets[SecretsConfig.Service.OculusMobile];
-        public SecretsConfig.ServiceAuthData PimaxSecrets => Secrets[SecretsConfig.Service.Pimax];
-        public SecretsConfig.ServiceAuthData PhotonFusionSecrets => Secrets[SecretsConfig.Service.PhotonFusion];
-        public SecretsConfig.ServiceAuthData PhotonVoiceSecrets => Secrets[SecretsConfig.Service.PhotonVoice];
+        public SecretsConfig.ServiceAuthData SketchfabSecrets => Secrets?[SecretsConfig.Service.Sketchfab];
+        public SecretsConfig.ServiceAuthData OculusSecrets => Secrets?[SecretsConfig.Service.Oculus];
+        public SecretsConfig.ServiceAuthData OculusMobileSecrets => Secrets?[SecretsConfig.Service.OculusMobile];
+        public SecretsConfig.ServiceAuthData PimaxSecrets => Secrets?[SecretsConfig.Service.Pimax];
+        public SecretsConfig.ServiceAuthData PhotonFusionSecrets => Secrets?[SecretsConfig.Service.PhotonFusion];
+        public SecretsConfig.ServiceAuthData PhotonVoiceSecrets => Secrets?[SecretsConfig.Service.PhotonVoice];
 
         public bool DisableAccountLogins;
 
diff --git a/Assets/Scripts/Multiplayer/MultiplayerManager.cs b/Assets/Scripts/Multiplayer/MultiplayerManager.cs
index 2293913e0..d59e8559d 100644
--- a/Assets/Scripts/Multiplayer/MultiplayerManager.cs
+++ b/Assets/Scripts/Multiplayer/MultiplayerManager.cs
@@ -118,7 +118,9 @@ void Awake()
         void Start()
         {
 #if OCULUS_SUPPORTED
-            OVRPlatform.Users.GetLoggedInUser().OnComplete((msg) => {
+            // GetLoggedInUser can return null
+            // if Oculus.Platform.Core isn't initialized
+            OVRPlatform.Users.GetLoggedInUser()?.OnComplete((msg) => {
                 if (!msg.IsError)
                 {
                     myOculusUserId = msg.GetUser().ID;
@@ -146,7 +148,7 @@ void Start()
                     m_VoiceManager = new PhotonVoiceManager(this);
                     if (m_VoiceManager != null) ControllerConsoleScript.m_Instance.AddNewLine("PhotonVoiceManager Loaded");
                     else ControllerConsoleScript.m_Instance.AddNewLine("PhotonVoiceManager Not Loaded");
-#endif 
+#endif
                     break;
                 default:
                     return;
@@ -299,7 +301,7 @@ public bool DoesRoomNameExist(string roomName)
             // Find the room with the given name
             RoomData? room = m_RoomData.FirstOrDefault(r => r.roomName == roomName);
 
-            // Room exists 
+            // Room exists
             RoomData r = (RoomData)room;
             if (r.numPlayers == 0) isUserRoomOwner = true;// and is empty user becomes room owner
             else isUserRoomOwner = false; // not empty user is not the room owner
@@ -399,9 +401,9 @@ void Update()
 
         void OnLocalPlayerJoined(int id, ITransientData<PlayerRigData> playerData)
         {
-            // the user is the room owner if is the firt to get in 
+            // the user is the room owner if is the firt to get in
             isUserRoomOwner = m_Manager.GetPlayerCount() == 1 ? true : false;
-            // if not room owner clear scene 
+            // if not room owner clear scene
             if (!isUserRoomOwner) SketchMemoryScript.m_Instance.ClearMemory();
 
             m_LocalPlayer = playerData;
@@ -445,7 +447,7 @@ void OnPlayerLeft(int id)
                 }
             }
 
-            // Reassign Ownership if needed 
+            // Reassign Ownership if needed
             // Check if any remaining player is the room owner
             bool anyRoomOwner = m_RemotePlayers.Any(player => m_Manager.GetPlayerRoomOwnershipStatus(player.PlayerId))
                                 || isUserRoomOwner;
diff --git a/Assets/Scripts/Sharing/OAuth2Identity.cs b/Assets/Scripts/Sharing/OAuth2Identity.cs
index a9e66905c..cfea48f6f 100644
--- a/Assets/Scripts/Sharing/OAuth2Identity.cs
+++ b/Assets/Scripts/Sharing/OAuth2Identity.cs
@@ -103,7 +103,7 @@ private static void LogOutAll()
 
         public bool IsGoogle => m_Service == SecretsConfig.Service.Google;
         public UserCredential UserCredential => m_CredentialRequest?.UserCredential;
-        private SecretsConfig.ServiceAuthData ServiceAuthData => App.Config.Secrets[m_Service];
+        private SecretsConfig.ServiceAuthData ServiceAuthData => App.Config.Secrets?[m_Service];
         public string ClientId => ServiceAuthData?.ClientId;
         private string ClientSecret => ServiceAuthData?.ClientSecret;
 
diff --git a/Assets/Scripts/VrSdk.cs b/Assets/Scripts/VrSdk.cs
index 16953fe57..6f01ae829 100644
--- a/Assets/Scripts/VrSdk.cs
+++ b/Assets/Scripts/VrSdk.cs
@@ -220,12 +220,12 @@ void Awake()
             cameraRig.disableEyeAnchorCameras = true;
 
             //Get Oculus ID
-            var appId = App.Config.OculusSecrets.ClientId;
+            var appId = App.Config.OculusSecrets?.ClientId;
 #if UNITY_ANDROID
-            appId = App.Config.OculusMobileSecrets.ClientId;
+            appId = App.Config.OculusMobileSecrets?.ClientId;
 #endif
 
-            if (Unity.XR.Oculus.Utils.GetSystemHeadsetType() != Unity.XR.Oculus.SystemHeadset.Oculus_Quest)
+            if (appId != null && Unity.XR.Oculus.Utils.GetSystemHeadsetType() != Unity.XR.Oculus.SystemHeadset.Oculus_Quest)
             {
                 Oculus.Platform.Core.Initialize(appId);
                 Oculus.Platform.UserAgeCategory.Get().OnComplete((msg) => {