update

Assets/Prefabs/Nolan/Nolan.prefab

@@ -13343,6 +13343,7 @@ GameObject:
   - component: {fileID: 5202821522363770394}
   - component: {fileID: 1486775676321644921}
   - component: {fileID: 8796553624329906391}
+  - component: {fileID: 433263687854393238}
   m_Layer: 31
   m_Name: Nolan
   m_TagString: Untagged
@@ -15127,6 +15128,7 @@ MonoBehaviour:
   NetworkedBehaviours:
   - {fileID: 1486775676321644921}
   - {fileID: 8796553624329906391}
+  - {fileID: 433263687854393238}
   ForceRemoteRenderTimeframe: 0
 --- !u!114 &1486775676321644921
 MonoBehaviour:
@@ -15157,6 +15159,20 @@ MonoBehaviour:
   m_Script: {fileID: 11500000, guid: 39343fbd597ed5947b34fa2777fa1b7c, type: 3}
   m_Name: 
   m_EditorClassIdentifier: Assembly-CSharp::Hallucinate.Network.FusionClientMovementBridge
+--- !u!114 &433263687854393238
+MonoBehaviour:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 3995187695885635779}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: b3d9934ebd60c9c4ea3e464b77fd7ae0, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: Assembly-CSharp::PlayerDataManager
+  _Players:
+    _items: []
 --- !u!1 &4047096238443104023
 GameObject:
   m_ObjectHideFlags: 0

Assets/Prefabs/Player Prototype/PlayerDataManager.prefab

@@ -46,7 +46,8 @@ MonoBehaviour:
   m_Name: 
   m_EditorClassIdentifier: Assembly-CSharp::PlayerDataManager
   _Players:
-    _items: []
+    _items:
+    - {}
 --- !u!114 &-7009574229380509654
 MonoBehaviour:
   m_ObjectHideFlags: 0

Assets/Scripts/Network/FusionClientMovementBridge.cs

@@ -36,7 +36,8 @@ namespace Hallucinate.Network
         {
             // Because we passed State Authority to the client in BasicSpawner, 
             // HasStateAuthority is true ONLY for the local player.
-            bool isLocal = Object.HasStateAuthority;
+            // Check HasInputAuthority as well so the client's character correctly activates input!
+            bool isLocal = Object.HasStateAuthority || Object.HasInputAuthority;
 
             if (isLocal)
             {
@@ -75,15 +76,29 @@ namespace Hallucinate.Network
 
         public override void FixedUpdateNetwork()
         {
-            if (Object.HasStateAuthority)
+            // ONLY attempt to get input if we are the Host (StateAuthority) or the owning Client (InputAuthority).
+            // Calling GetInput on a Proxy (someone else's character) is what causes the GetTypeKey exception!
+            if (Object.HasStateAuthority || Object.HasInputAuthority)
             {
                 if (GetInput<PlayerInputData>(out var input))
                 {
-                    SyncInput = input;
+                    // Apply input locally so the Client's character actually moves predicted!
+                    if (m_CharacterLocomotion != null)
+                    {
+                        m_CharacterLocomotion.InputVector = input.InputVector;
+                        m_CharacterLocomotion.RawInputVector = input.RawInputVector;
+                        m_CharacterLocomotion.DeltaRotation = input.DeltaRotation;
+                    }
+
+                    if (Object.HasStateAuthority)
+                    {
+                        SyncInput = input;
+                    }
                 }
             }
 
-            if (!Object.HasStateAuthority)
+            // If we do NOT have StateAuthority AND we do NOT have InputAuthority, it's a Proxy (remote player).
+            if (Object.IsProxy)
             {
                 // Ensure look source is attached for remote players
                 if (m_CharacterLocomotion != null && m_CharacterLocomotion.LookSource != (ILookSource)this)
@@ -206,7 +221,7 @@ namespace Hallucinate.Network
 
         // --- INetworkInfo Implementation ---
         
-        public bool IsLocalPlayer() => Object.HasStateAuthority;
+        public bool IsLocalPlayer() => Object.HasStateAuthority || Object.HasInputAuthority;
         public bool IsServer() => Runner.IsServer;
         
         // Return FALSE because we are doing Client-Authoritative movement!